1. First, open the watercress on your mobile phone. After entering the main page of Douban, click "I" in the lower right corner to switch to the personal homepage.

2. Find and click "Dynamic" on the personal homepage, and then click "All" to see all the published trends.

3. Select the dynamic to delete, click the dynamic in the upper right corner of the "."icon, select "Delete Dynamic" and continue to click "Delete".