Modifying health code information is updating the health code. Health codes are updated all the time, every time we look at them. If we want to change the cell phone number of the health code, we can cancel the health code again, and then fill in the phone number and ID number again. After the revision of the health code, the two codes are greatly convenient for the public to travel.

The role of health code

Health code is still very useful now, can be used as a proof of exit, and the enterprise resumption or site resumption of work need to have the relevant personnel have health code. Health code is based on big data analysis and generation, to a large extent to facilitate the travel and avoid the spread of risk. The function of the health code is that the color of the health code can quickly identify whether a person is a pathway to the more serious epidemic provinces and cities, whether direct or indirect contact with infected patients. Then through big data analysis, can directly lock and find the people who may be infected.