The health code "health code" is based on real data, which can be generated by citizens or people who have returned to work on their own online declaration and background audit. As an individual entering and leaving electronic certificate locally, the QR 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.
On March 5, 2020, the draft of epidemic prevention coding reference framework and technical guide passed the review of expert review meeting and was formally submitted for approval. The promulgation of this standard provides technical specifications for the development enterprises of epidemic prevention codes, and regulates and requires the functions required for personnel management, authorization management and collection point management of epidemic prevention code users.