To cancel an Alibaba account, you need to follow the steps below:

1. Log in to your Alibaba account2. Click "My Alibaba" in the upper right corner

3. Select "Account Settings" in the left menu bar

4. On the account settings page, select "Cancel Account"

5. Follow the prompts on the page to fill in the reason for canceling the account and related information6. Click "Submit Cancellation Application"

Please note that account cancellation is an irreversible operation, please consider carefully before performing the operation. In addition, before canceling your account, please make sure that you have processed all unfinished orders and payments, and backed up the data you need to keep.