Specific steps:1. Open the national government service platform WeChat search to enter the national government service platform small program, in turn, click to open the vaccination health code service, communication big data trip card, peer close personnel self-check, the risk of epidemic around the registration query, will be the four pages of screenshots to save to your phone.2. WeChat search for the Beijing Health Bao small program to enter the pop-up screenshots to save.3. Bao small program, then click on the nucleic acid vaccine service query. Save the nucleic acid, check the latest nucleic acid information, save the screenshot and click on the service 3. WeChat search for the public number Beijing 12345, click to enter the service page. Click on the Public Opinion Direct pop-up service page, click on the bottom of the Public Opinion Direct click on the pop-up window to correct the error into the Public Opinion Direct page, click on the bottom of the pop-up window to correct the error into the above screenshots uploaded to submit, wait for review can be.