After the new crown is isolated at home, it should pay attention to avoiding going out and contacting family members, doing health monitoring, and paying attention to personal hygiene. 1. Avoid going out and contacting family members: After the new crown has turned negative, the family members should take the initiative to cooperate with the home observation, and are strictly prohibited from going out during the period. Avoid direct contact with family members, and separate daily necessities from family members to avoid cross contamination. Clean and disinfect used items in a timely manner. 2. Health monitoring: Under the guidance of the designated medical observation management personnel, the patient and his/her family members should cooperate to take temperature measurements once a day in the morning and once in the evening. Observe the changes of your own symptoms, if you have fever, cough, chest tightness and other symptoms, please inform the medical observation management personnel in time. 3. Pay attention to personal hygiene: keep your hands hygienic, wash your hands with running water or use alcohol-based hand sanitizer. Cover your mouth and nose with tissue paper when coughing, do not spit, and dispose of thick tissue paper and masks in a special garbage can with a lid. Maintain indoor air circulation. New crown isolated at home after turning negative attention to rest regular, maintain a good state of mind, pay attention to indoor ventilation, and develop the habit of washing hands and wearing a mask.