The black code is the health code system under review. After the data system is reviewed, depending on your actual health condition, you will be given the green code, the yellow code and the red code. Now there are only two situations: "nothing unusual" and "travel tips". When traveling, you only need to scan the "Epidemic Prevention Health Information Code" to view personal epidemic prevention health information and identity information.
Characteristics of electronic health card
Based on the resident identity information registered in real-name registration system, electronic health cards are generated for residents in the form of dynamic two-dimensional codes by applying security mechanisms such as key algorithm to the physical health cards currently issued and used by medical institutions.
By guiding residents to apply for QR codes online, the online and offline medical needs of residents under the Internet situation can be met, and the application of residents' health cards can be widely covered in a safe and credible way to promote the healthy and rapid development of electronic health cards.