The method is as follows

1. Open the WeChat app on your mobile phone first.

2. Enter the page of WeChat.

3. Find the "Settings" option in the lower left corner.

4. Go to the "My Wallet" page and find Tencent Public Welfare.

5. As shown below, enter Tencent Public Welfare.

6. Click "I want to donate" in the lower left corner.

7. Enter the amount to be donated.

8. Finally, enter the payment password.