Centralized isolation. During the isolation period, wear medical surgical masks, restrict daily life and diet in the isolation room, transport articles in a non-contact way, cooperate with the community to do a good job in nucleic acid detection and self-health monitoring, and take temperature measurement every morning and evening. Symptoms such as fever, dry cough, fatigue, sore throat, decreased sense of smell (taste) and diarrhea should be reported truthfully immediately. During the isolation period, you are not allowed to go out and refuse all visits.