Open the mobile phone WeChat, click "I", select "Payment" in the interface, and click "City Service" to complete the authentication of epidemic prevention health code, and you can query. What can be found in the health code of relatives in the health code in the health cloud? Choose "Check yourself" or "Check the old and young" to help others check the results of nucleic acid testing. It should be noted that when registering for Health Cloud, you should fill in your personal information correctly and ensure that the mobile phone number at the time of registration is the same as that provided at the time of registration. Only when the information is completely consistent can we get the result of nucleic acid test!