diff --git a/demo/53-chinese.ts b/demo/53-chinese.ts
new file mode 100644
index 0000000000..eee6eb9032
--- /dev/null
+++ b/demo/53-chinese.ts
@@ -0,0 +1,55 @@
+// Chinese text - Chinese text need to use a Chinese font. And ascii text need to use a ascii font.
+// Different from the `52-japanese.ts`.
+//     `52-japanese.ts` will set all characters to use Japanese font.
+//     `53-chinese.ts` will set Chinese characters to use Chinese font, and set ascii characters to use ascii font.
+
+// Note that if the OS have not install `KaiTi` font, this demo doesn't work.
+
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { Document, HeadingLevel, Packer, Paragraph, TextRun } from "../build";
+
+const doc = new Document({
+    styles: {
+        paragraphStyles: [
+            {
+                id: "Normal",
+                name: "Normal",
+                basedOn: "Normal",
+                next: "Normal",
+                quickFormat: true,
+                run: {
+                    font: {
+                        ascii: "Times",
+                        eastAsia: "KaiTi",
+                    },
+                },
+            },
+        ],
+    },
+});
+
+doc.addSection({
+    children: [
+        new Paragraph({
+            text: "中文和英文 Chinese and English",
+            heading: HeadingLevel.HEADING_1,
+        }),
+        new Paragraph({
+            text: "中文和英文 Chinese and English",
+        }),
+        new Paragraph({
+            children: [
+                new TextRun({
+                    text: "中文和英文 Chinese and English",
+                    font: { eastAsia: "SimSun" },  // set eastAsia to "SimSun".
+                    // The ascii characters will use the default font ("Times") specified in paragraphStyles
+                }),
+            ],
+        }),
+    ],
+});
+
+Packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});
diff --git a/docs/usage/styling-with-js.md b/docs/usage/styling-with-js.md
index c8bbb5c8db..0dafac2904 100644
--- a/docs/usage/styling-with-js.md
+++ b/docs/usage/styling-with-js.md
@@ -26,7 +26,7 @@ const name = new TextRun({
 -   `emphasisMark({type="dot"})`: Set the emphasis mark style
 -   `color(color)`: Set the text color, using 6 hex characters for RRGGBB (no leading `#`)
 -   `size(halfPts)`: Set the font size, measured in half-points
--   `font(name)`: Set the run's font
+-   `font(name)` or `font({ascii, cs, eastAsia, hAnsi, hint})`: Set the run's font
 -   `style(name)`: Apply a named run style
 -   `characterSpacing(value)`: Set the character spacing adjustment (in TWIPs)
 
diff --git a/package.json b/package.json
index 900a6f6357..09b272cb5b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "docx",
-  "version": "5.1.1",
+  "version": "5.2.0",
   "description": "Easily generate .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.",
   "main": "build/index.js",
   "scripts": {
diff --git a/src/file/numbering/abstract-numbering.spec.ts b/src/file/numbering/abstract-numbering.spec.ts
index a2fb61b000..6548a4436d 100644
--- a/src/file/numbering/abstract-numbering.spec.ts
+++ b/src/file/numbering/abstract-numbering.spec.ts
@@ -417,7 +417,7 @@ describe("AbstractNumbering", () => {
                 });
             });
 
-            it("#font", () => {
+            it("#font by name", () => {
                 const abstractNumbering = new AbstractNumbering(1, [
                     {
                         level: 0,
@@ -447,6 +447,37 @@ describe("AbstractNumbering", () => {
                 });
             });
 
+            it("#font for ascii and eastAsia", () => {
+                const abstractNumbering = new AbstractNumbering(1, [
+                    {
+                        level: 0,
+                        format: "lowerRoman",
+                        text: "%0.",
+                        style: {
+                            run: {
+                                font: {
+                                    ascii: "Times",
+                                    eastAsia: "KaiTi",
+                                },
+                            },
+                        },
+                    },
+                ]);
+                const tree = new Formatter().format(abstractNumbering);
+                expect(tree["w:abstractNum"][2]["w:lvl"]).to.include({
+                    "w:rPr": [
+                        {
+                            "w:rFonts": {
+                                _attr: {
+                                    "w:ascii": "Times",
+                                    "w:eastAsia": "KaiTi",
+                                },
+                            },
+                        },
+                    ],
+                });
+            });
+
             it("#bold", () => {
                 const abstractNumbering = new AbstractNumbering(1, [
                     {
diff --git a/src/file/paragraph/run/formatting.ts b/src/file/paragraph/run/formatting.ts
index 3055ba44e7..51b14be5cf 100644
--- a/src/file/paragraph/run/formatting.ts
+++ b/src/file/paragraph/run/formatting.ts
@@ -3,7 +3,7 @@ import { Attributes, XmlComponent } from "file/xml-components";
 export { Underline } from "./underline";
 export { EmphasisMark } from "./emphasis-mark";
 export { SubScript, SuperScript } from "./script";
-export { RunFonts } from "./run-fonts";
+export { RunFonts, IFontAttributesProperties } from "./run-fonts";
 
 export class Bold extends XmlComponent {
     constructor() {
diff --git a/src/file/paragraph/run/run-fonts.spec.ts b/src/file/paragraph/run/run-fonts.spec.ts
index 1eacc8ecc9..a0180eae81 100644
--- a/src/file/paragraph/run/run-fonts.spec.ts
+++ b/src/file/paragraph/run/run-fonts.spec.ts
@@ -21,5 +21,12 @@ describe("RunFonts", () => {
                 },
             });
         });
+
+        it("uses the font attrs for ascii and eastAsia", () => {
+            const tree = new Formatter().format(new RunFonts({ ascii: "Times", eastAsia: "KaiTi" }));
+            expect(tree).to.deep.equal({
+                "w:rFonts": { _attr: { "w:ascii": "Times", "w:eastAsia": "KaiTi" } },
+            });
+        });
     });
 });
diff --git a/src/file/paragraph/run/run-fonts.ts b/src/file/paragraph/run/run-fonts.ts
index 10a441626c..c1eed32613 100644
--- a/src/file/paragraph/run/run-fonts.ts
+++ b/src/file/paragraph/run/run-fonts.ts
@@ -1,14 +1,14 @@
 import { XmlAttributeComponent, XmlComponent } from "file/xml-components";
 
-interface IRunFontAttributesProperties {
-    readonly ascii: string;
-    readonly cs: string;
-    readonly eastAsia: string;
-    readonly hAnsi: string;
+export interface IFontAttributesProperties {
+    readonly ascii?: string;
+    readonly cs?: string;
+    readonly eastAsia?: string;
+    readonly hAnsi?: string;
     readonly hint?: string;
 }
 
-class RunFontAttributes extends XmlAttributeComponent<IRunFontAttributesProperties> {
+class RunFontAttributes extends XmlAttributeComponent<IFontAttributesProperties> {
     protected readonly xmlKeys = {
         ascii: "w:ascii",
         cs: "w:cs",
@@ -19,16 +19,26 @@ class RunFontAttributes extends XmlAttributeComponent<IRunFontAttributesProperti
 }
 
 export class RunFonts extends XmlComponent {
-    constructor(ascii: string, hint?: string) {
+    constructor(name: string, hint?: string);
+    constructor(attrs: string | IFontAttributesProperties);
+    constructor(nameOrAttrs: string | IFontAttributesProperties, hint?: string) {
         super("w:rFonts");
-        this.root.push(
-            new RunFontAttributes({
-                ascii: ascii,
-                cs: ascii,
-                eastAsia: ascii,
-                hAnsi: ascii,
-                hint: hint,
-            }),
-        );
+        if (typeof nameOrAttrs === "string") {
+            // use constructor(name: string, hint?: string);
+            const name = nameOrAttrs;
+            this.root.push(
+                new RunFontAttributes({
+                    ascii: name,
+                    cs: name,
+                    eastAsia: name,
+                    hAnsi: name,
+                    hint: hint,
+                }),
+            );
+        } else {
+            // use constructor(attrs: IRunFontAttributesProperties);
+            const attrs = nameOrAttrs;
+            this.root.push(new RunFontAttributes(attrs));
+        }
     }
 }
diff --git a/src/file/paragraph/run/run.spec.ts b/src/file/paragraph/run/run.spec.ts
index 8712622921..32904327d8 100644
--- a/src/file/paragraph/run/run.spec.ts
+++ b/src/file/paragraph/run/run.spec.ts
@@ -275,6 +275,32 @@ describe("Run", () => {
                 ],
             });
         });
+
+        it("should set the font for ascii and eastAsia", () => {
+            const run = new Run({
+                font: {
+                    ascii: "Times",
+                    eastAsia: "KaiTi",
+                },
+            });
+            const tree = new Formatter().format(run);
+            expect(tree).to.deep.equal({
+                "w:r": [
+                    {
+                        "w:rPr": [
+                            {
+                                "w:rFonts": {
+                                    _attr: {
+                                        "w:ascii": "Times",
+                                        "w:eastAsia": "KaiTi",
+                                    },
+                                },
+                            },
+                        ],
+                    },
+                ],
+            });
+        });
     });
 
     describe("#color", () => {
diff --git a/src/file/paragraph/run/run.ts b/src/file/paragraph/run/run.ts
index 8225ebdc95..5a26f3352c 100644
--- a/src/file/paragraph/run/run.ts
+++ b/src/file/paragraph/run/run.ts
@@ -27,11 +27,16 @@ import {
 import { NumberOfPages, NumberOfPagesSection, Page } from "./page-number";
 import { RunProperties } from "./properties";
 import { Text } from "./run-components/text";
-import { RunFonts } from "./run-fonts";
+import { IFontAttributesProperties, RunFonts } from "./run-fonts";
 import { SubScript, SuperScript } from "./script";
 import { Style } from "./style";
 import { Underline, UnderlineType } from "./underline";
 
+interface IFontOptions {
+    readonly name: string;
+    readonly hint?: string;
+}
+
 export interface IRunOptions {
     readonly bold?: true;
     readonly italics?: true;
@@ -52,10 +57,7 @@ export interface IRunOptions {
     readonly subScript?: boolean;
     readonly superScript?: boolean;
     readonly style?: string;
-    readonly font?: {
-        readonly name: string;
-        readonly hint?: string;
-    };
+    readonly font?: IFontOptions | IFontAttributesProperties;
     readonly highlight?: string;
     readonly shading?: {
         readonly type: ShadingType;
@@ -140,7 +142,11 @@ export class Run extends XmlComponent {
         }
 
         if (options.font) {
-            this.properties.push(new RunFonts(options.font.name, options.font.hint));
+            if ("name" in options.font) {
+                this.properties.push(new RunFonts(options.font.name, options.font.hint));
+            } else {
+                this.properties.push(new RunFonts(options.font));
+            }
         }
 
         if (options.highlight) {
diff --git a/src/file/styles/defaults/run-properties.ts b/src/file/styles/defaults/run-properties.ts
index 1ab8f5752c..2228f84de6 100644
--- a/src/file/styles/defaults/run-properties.ts
+++ b/src/file/styles/defaults/run-properties.ts
@@ -1,6 +1,6 @@
 import { Size, SizeComplexScript } from "file/paragraph/run/formatting";
 import { RunProperties } from "file/paragraph/run/properties";
-import { RunFonts } from "file/paragraph/run/run-fonts";
+import { IFontAttributesProperties, RunFonts } from "file/paragraph/run/run-fonts";
 import { XmlComponent } from "file/xml-components";
 
 export class RunPropertiesDefaults extends XmlComponent {
@@ -18,8 +18,8 @@ export class RunPropertiesDefaults extends XmlComponent {
         return this;
     }
 
-    public font(fontName: string): RunPropertiesDefaults {
-        this.properties.push(new RunFonts(fontName));
+    public font(font: string | IFontAttributesProperties): RunPropertiesDefaults {
+        this.properties.push(new RunFonts(font));
         return this;
     }
 }
diff --git a/src/file/styles/style-options.ts b/src/file/styles/style-options.ts
index b748c42e79..8ce1e6460b 100644
--- a/src/file/styles/style-options.ts
+++ b/src/file/styles/style-options.ts
@@ -1,4 +1,11 @@
-import { AlignmentType, EmphasisMarkType, IIndentAttributesProperties, ISpacingProperties, UnderlineType } from "../paragraph";
+import {
+    AlignmentType,
+    EmphasisMarkType,
+    IFontAttributesProperties,
+    IIndentAttributesProperties,
+    ISpacingProperties,
+    UnderlineType,
+} from "../paragraph";
 import { ShadingType } from "../table";
 
 export interface IRunStyleOptions {
@@ -19,7 +26,7 @@ export interface IRunStyleOptions {
         readonly type?: EmphasisMarkType;
     };
     readonly color?: string;
-    readonly font?: string;
+    readonly font?: string | IFontAttributesProperties;
     readonly characterSpacing?: number;
     readonly highlight?: string;
     readonly shadow?: {
diff --git a/src/file/styles/style/character-style.spec.ts b/src/file/styles/style/character-style.spec.ts
index c660b152be..64c866a8c8 100644
--- a/src/file/styles/style/character-style.spec.ts
+++ b/src/file/styles/style/character-style.spec.ts
@@ -202,7 +202,7 @@ describe("CharacterStyle", () => {
             });
         });
 
-        it("should add font", () => {
+        it("should add font by name", () => {
             const style = new CharacterStyle({
                 id: "myStyleId",
                 run: {
@@ -241,6 +241,46 @@ describe("CharacterStyle", () => {
             });
         });
 
+        it("should add font for ascii and eastAsia", () => {
+            const style = new CharacterStyle({
+                id: "myStyleId",
+                run: {
+                    font: {
+                        ascii: "test font ascii",
+                        eastAsia: "test font eastAsia",
+                    },
+                },
+            });
+            const tree = new Formatter().format(style);
+            expect(tree).to.deep.equal({
+                "w:style": [
+                    { _attr: { "w:type": "character", "w:styleId": "myStyleId" } },
+                    {
+                        "w:rPr": [
+                            {
+                                "w:rFonts": {
+                                    _attr: {
+                                        "w:ascii": "test font ascii",
+                                        "w:eastAsia": "test font eastAsia",
+                                    },
+                                },
+                            },
+                        ],
+                    },
+                    {
+                        "w:uiPriority": {
+                            _attr: {
+                                "w:val": 99,
+                            },
+                        },
+                    },
+                    {
+                        "w:unhideWhenUsed": EMPTY_OBJECT,
+                    },
+                ],
+            });
+        });
+
         it("should add character spacing", () => {
             const style = new CharacterStyle({
                 id: "myStyleId",
diff --git a/src/file/styles/style/character-style.ts b/src/file/styles/style/character-style.ts
index f92540dc16..f0d6c24639 100644
--- a/src/file/styles/style/character-style.ts
+++ b/src/file/styles/style/character-style.ts
@@ -1,6 +1,7 @@
 import { EmphasisMarkType } from "file/paragraph/run/emphasis-mark";
 import * as formatting from "file/paragraph/run/formatting";
 import { RunProperties } from "file/paragraph/run/properties";
+import { IFontAttributesProperties } from "file/paragraph/run/run-fonts";
 import { UnderlineType } from "file/paragraph/run/underline";
 
 import { BasedOn, Link, SemiHidden, UiPriority, UnhideWhenUsed } from "./components";
@@ -28,7 +29,7 @@ export interface IBaseCharacterStyleOptions {
             readonly type?: EmphasisMarkType;
         };
         readonly color?: string;
-        readonly font?: string;
+        readonly font?: string | IFontAttributesProperties;
         readonly characterSpacing?: number;
         readonly highlight?: string;
         readonly shadow?: {
diff --git a/src/file/styles/style/paragraph-style.spec.ts b/src/file/styles/style/paragraph-style.spec.ts
index 3331dc3513..7d01ef87e7 100644
--- a/src/file/styles/style/paragraph-style.spec.ts
+++ b/src/file/styles/style/paragraph-style.spec.ts
@@ -484,7 +484,7 @@ describe("ParagraphStyle", () => {
             });
         });
 
-        it("#font", () => {
+        it("#font by name", () => {
             const style = new ParagraphStyle({
                 id: "myStyleId",
                 run: {
@@ -513,6 +513,36 @@ describe("ParagraphStyle", () => {
             });
         });
 
+        it("#font for ascii and eastAsia", () => {
+            const style = new ParagraphStyle({
+                id: "myStyleId",
+                run: {
+                    font: {
+                        ascii: "Times",
+                        eastAsia: "KaiTi",
+                    },
+                },
+            });
+            const tree = new Formatter().format(style);
+            expect(tree).to.deep.equal({
+                "w:style": [
+                    { _attr: { "w:type": "paragraph", "w:styleId": "myStyleId" } },
+                    {
+                        "w:rPr": [
+                            {
+                                "w:rFonts": {
+                                    _attr: {
+                                        "w:ascii": "Times",
+                                        "w:eastAsia": "KaiTi",
+                                    },
+                                },
+                            },
+                        ],
+                    },
+                ],
+            });
+        });
+
         it("#bold", () => {
             const style = new ParagraphStyle({
                 id: "myStyleId",