How to deal with Liaoning public security certificate number?

Liaoning public security certificate number already exists. The treatment method is as follows:

1. First, confirm whether the ID number entered is correct. If the input is wrong, you need to re-enter.

2. Then contact the local public security bureau to consult the handling method, and ask for more information to determine the identity, and then help solve the problem.

3. Finally, change the ID number. If you can't solve the problem of duplicate numbers, you can consider changing your ID number, and you need to go through the relevant procedures at the local public security bureau to regenerate a new ID number.