Under the four-level prevention and control level, the government stipulates that people should try to stay at home except for a few cases such as buying daily necessities; Non-essential retail stores, entertainment facilities, fitness centers, etc. Closed; People should work from home as much as possible; People can't go in and out of areas where four levels of prevention and control are implemented at will.
However, if local cases are not found in time and are not handled in place, it may cause a clustering virus with great influence, or it may directly lead to a second outbreak of the virus.