1. WeChat search for "Hainan Health Code", or scan the QR code below to enter the Hainan Health Code applet; 2. After entering the applet, you need to log in for the first time. Click "Please log in" on the home page to log in; 3. After the real-name authentication login is completed, the health declaration can be made. After filling in the information truthfully in the personal health declaration interface, the health code can be generated.