Log in to Alipay first, and you will see an online application health code. If not, you can enter the health code in the search bar, and then click in to fill in the ID number and name according to the prompt, and bind the mobile phone number. And information about whether you have been out recently. Fill it out and save it, and you can get your own health code. Just save the health code on your mobile phone.
Health codes are based on real data and can be generated by citizens or people who have returned to work through 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.