1. Open Sina Weibo on your mobile phone. On the video page, click the icon in the upper right corner.

2. On the video page, click Video Management.

3. In the video management, you can see the video that has been sent, and click the three points next to it.

4. In the window that appears, click Delete.

5. In the Confirm Delete Video dialog box, click OK.

6. After the completion, Weibo has deleted the video he sent.