There are differences in the names of health codes in different parts of the country, among which the local health code in Sichuan is called Tianfu Health Link, or Health Link for short.
Sichuan Tianfu Health Link implements one person, one yard and one yard, with real-name authentication. All personnel in Sichuan and those who come (return) to Sichuan can apply for health codes through WeChat, Alipay applet and "Tianfu Tongban APP". For the elderly, children and other people who have difficulties in applying online, their relatives can apply on their behalf. Foreigners can apply with passports and other valid identity documents.