Of course. The self-employed tax payment certificate can be handled online through official website, State Taxation Administration of The People's Republic of China, People's Republic of China (PRC), and the specific handling methods are as follows:

1. Enter the page of official website, State Taxation Administration of The People's Republic of China, People's Republic of China (PRC), and click Tax Service.

2. Enter the tax service page and click the tax guide.

3. Enter the tax guide page and click the tax cancellation.

4. Click on individual industrial and commercial households' tax returns to enter the tax cancellation page, and click on individual industrial and commercial households' tax returns. So you can do it online.