Whether the Su Kang Code set in the name of husband and wife is independent or mainly depends on the main code.

Is independent. The specific steps of unbinding the secondary card from the primary card of Su Kang code are as follows (taking Alipay as an example):

1. Open the Alipay APP in your mobile phone and click the "More" menu bar on the home page.

2. Find and click "Health Code" in the search bar.

3. Jump to the new page, find "Jiangsu" and fill in the specific area. Click "View Now" after the operation is completed.

4. In the page that opens, click the "Add Family Members" option.

5. Then click Unbind, and finally click OK in the window that opens.

6. The main card holder can click on the "Family Member Management" page of Su Kang code to bind the secondary card.