There is no flight number for applying for Hebei health code using Hong Kong-Macao Stock Connect.

It doesn't matter if you apply for Hebei health code with Hong Kong-Macao Stock Connect without flight number. To handle the Hebei health code, you can search the national government service platform or run small programs on WeChat and Alipay, or download the national government service platform or run the mobile app. You can see the health code for epidemic prevention (immigration version) on the home page. Click on the epidemic prevention health code (entry version) to enter the main page of the entry version to check the specific functions.