Open Alipay to find the function entrance of health code, select the city and click the View Now button for login verification, click Receive Now after login, fill in the required information and then click Submit. Open WeChat, click on me, then enter the payment option and select city service. Select the city service address, and then click the health code. Click Allow to obtain location information, and click OK in the pop-up login verification prompt box. Tick "Agree" to perform face recognition.