Electronic documents, only the file manager has the right to delete; And you don't have this permission yourself, so you can't delete the file.

Sub-health card can be cancelled.

Users who want to cancel the electronic health card can log on to WeChat and enter my interface. Then click Wallet-City Service-Electronic Social Security Card in turn, and then click the button shown by the arrow in the upper right corner of the jump page. Click the electronic health card to be unbound in the pop-up interface, click the health card at the top of the page again after entering the single card interface, and finally click Unbind to confirm.