2. The health code is based on actual data, which can be generated by citizens or people returning to work through online declaration and background audit.
3. As a electronic certificate obtained by individuals locally, the health code can be declared once, which is universal in the whole city. The introduction of the health code aims to make the work of returning to work more accurate, scientific and orderly. The application scope of health code covers community management, enterprise reply, transportation, school opening, drug purchase registration, supermarkets and shopping malls, which can help communities, enterprises and schools to do key work such as epidemic prevention management and epidemic control.