Does the child's Su Kang code indicate that the identity already exists?

This means that this ID number has been registered with Su Kang code, and the solution is as follows:

1. Open the Alipay program first and click the search box at the top.

2. Next, enter "Su Kang Code Nanjing" and click Search, as shown in the figure below.

3. At this time, you will see a small program called "Su Kang Code-Nanjing". Open this program.

4. Then, when you enter the Sukang code, you need to enter the relevant information and pull down the menu to the bottom.

5. At this time, check I agree to click "Activation Code", and a QR code will appear. This is the way to apply for Su Kang code.