Health code is a personal two-dimensional code based on actual real data, which is generated by citizens or people who have returned to work on their own 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.
Hangzhou is called "paradise on earth" for its beautiful scenery. Due to the convenience of the Beijing-Hangzhou Grand Canal and trade ports, as well as its own developed silk and grain industries, Hangzhou was once an important commercial distribution center in history. Since the new century, driven by high-tech enterprises such as Alibaba, Internet economy has become a new economic growth point in Hangzhou.