According to the provisions of the Cyber Security Law, to collect citizens' personal information, it is necessary to clearly inform the collected person of the purpose, manner and scope of using the information, and take measures to ensure the safety of personal information and prevent it from being leaked at will. The health law is to prevent and control the epidemic, so it conforms to the "safety law".
"Health Code" is a tracking and judging system of personal health information and activity information for epidemic prevention and control in COVID-19, which is declared online by individuals themselves, and the personal QR code can be generated after background review.