1, open the know-it-all APP on your mobile phone to enter.
2. After entering the know-it-all APP interface, click the Ankang code button to enter.
3. After the page jumps, you can see your current welfare code, and click the Manage Family Members (selected as family members when applying at that time) button to enter.
4. After the page jumps, you can see the health code applied by others before, and click the delete button at the back.
5. Click OK in the pop-up delete dialog box.
6. After the page jumps, you can see that this person's health code has been deleted.