diff --git a/packages/components/typography/__tests__/typography.test.tsx b/packages/components/typography/__tests__/typography.test.tsx
index f2193917de..4f1c279e74 100644
--- a/packages/components/typography/__tests__/typography.test.tsx
+++ b/packages/components/typography/__tests__/typography.test.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import { render, fireEvent, vi, mockDelay } from '@test/utils';
+import { fireEvent, mockDelay, render, vi } from '@test/utils';
 import { AngryIcon, SmileIcon } from 'tdesign-icons-react';
 import { Typography } from '..';
 
@@ -17,23 +17,23 @@ describe('Typography 组件测试', () => {
     mockGetCanvasContext.mockReturnValue({
       font: vi.fn(),
       measureText: vi.fn(),
-    });
+    } as unknown as CanvasRenderingContext2D);
     mockGetCanvasToDataURL.mockReturnValue('test');
   });
 
   test('title 测试', async () => {
     const { container } = render(<Title>{shortText}</Title>);
-    expect(container.firstChild.innerHTML).toBe(shortText);
+    expect((container.firstChild as HTMLElement).innerHTML).toBe(shortText);
   });
 
   test('paragraph 测试', async () => {
     const { container } = render(<Paragraph>{shortText}</Paragraph>);
-    expect(container.firstChild.innerHTML).toBe(shortText);
+    expect((container.firstChild as HTMLElement).innerHTML).toBe(shortText);
   });
 
   test('text 测试', async () => {
     const { container } = render(<Text>{shortText}</Text>);
-    expect(container.firstChild.innerHTML).toBe(shortText);
+    expect((container.firstChild as HTMLElement).innerHTML).toBe(shortText);
   });
 
   test('text code 测试', async () => {
@@ -116,4 +116,23 @@ describe('Typography 组件测试', () => {
     fireEvent.click(container.querySelector('.t-button'));
     expect(container.querySelector('.t-icon-smile')).toBeTruthy();
   });
+
+  test('ellipsis 模式下 HTML 标签不被解析为真实元素', async () => {
+    const htmlStrings = [
+      { text: '<b>bold text</b>', tag: 'b' },
+      { text: '<a href="https://example.com">link</a>', tag: 'a' },
+      { text: '<script>alert("xss")</script>', tag: 'script' },
+    ];
+
+    for (const { text, tag } of htmlStrings) {
+      const { container, unmount } = render(
+        <div style={{ width: 200 }}>
+          <Text ellipsis>{text}</Text>
+        </div>,
+      );
+      expect(container.querySelector(tag)).toBeNull();
+      expect(container.querySelector('.t-typography-ellipsis-symbol-wrapper')).toHaveTextContent('...');
+      unmount();
+    }
+  });
 });
diff --git a/packages/components/typography/ellipsis/Truncate.tsx b/packages/components/typography/ellipsis/Truncate.tsx
index e7c14df953..ab26cc1488 100644
--- a/packages/components/typography/ellipsis/Truncate.tsx
+++ b/packages/components/typography/ellipsis/Truncate.tsx
@@ -146,13 +146,23 @@ export default class Truncate extends React.Component<TruncateProps, TruncateSta
     return this.createMarkup(content) as unknown as string;
   };
 
+  escapeHtml = (html: string) =>
+    html
+      .replace(/&/g, '&amp;')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;');
+
   // Shim innerText to consistently break lines at <br/> but not at \n
   innerText = (node: HTMLElement) => {
     const div = document.createElement('div');
     const contentKey = 'innerText' in window.HTMLElement.prototype ? 'innerText' : 'textContent';
 
-    const content = node.innerHTML.replace(/\r\n|\r|\n/g, ' ');
-    div.innerHTML = this.extractReplaceLinksKeys(content);
+    const replacedHtml = this.extractReplaceLinksKeys(node.innerHTML);
+    const escapedHtml = this.escapeHtml(replacedHtml);
+    const content = escapedHtml.replace(/\r\n|\r|\n/g, ' ');
+    div.innerHTML = content;
 
     let text = div[contentKey];
 
diff --git a/packages/tdesign-react/.changelog/pr-4117.md b/packages/tdesign-react/.changelog/pr-4117.md
new file mode 100644
index 0000000000..3e4061d0fa
--- /dev/null
+++ b/packages/tdesign-react/.changelog/pr-4117.md
@@ -0,0 +1,6 @@
+---
+pr_number: 4117
+contributor: RylanBot
+---
+
+- fix(Typography): 修复开启 `ellipsis` 时，字符串被渲染为 HTML 标签的问题 @RylanBot ([#4117](https://github.com/Tencent/tdesign-react/pull/4117))