1, network problem. The health code can't be displayed normally, mainly because of network problems. Users are advised to check the networking status of the mobile phone, disconnect the mobile phone network and then reconnect it, or directly shut down and restart the mobile phone, or connect the mobile phone to the 4G network or WLAN and then open the health code, which can generally solve the problem.
2. Procedural issues. Unable to load the health code, which may be caused by a program problem. If too many people use the health code and the system crashes, you can re-enter it later. If you can't open it all the time, it is recommended to quit the program and try again, or try again after a while.
3. The electronic health code is a unified identification of health identity covering all residents and the whole life cycle in the field of health and health, and it is an individual "health medical identity card" of residents, realizing "one code for universal use" of cross-institutional and cross-regional medical services. Medical institutions can provide residents with services such as vaccination, nucleic acid detection, health declaration card for pre-inspection and triage, electronic escort application, hospitalization registration, diagnosis and treatment, and inquiry by using electronic health code.