The number of patients with novel coronavirus pneumonia is still increasing, some hospital outpatient clinics have been completely closed, and going to the hospital also has the risk of contact infection and cross-infection, home observation should be conducted first: 1. Self-isolation: When conditions allow, live separately from family members; if there is no separate residence, you need to isolate in the room, pay attention to open windows and ventilation, patients and family members should wear masks for protection. 2, diet and medication: you can take more water and vitamin C. Consider using antipyretic drugs when the fever temperature is high. 3.Oxygen saturation measurement: If you have a home oxygen monitor, you can dynamically measure oxygen saturation every morning and evening. 4. Admission for examination: If the fever persists, you need to put on a mask and go to the nearby community health center for timely consultation.