Novel pneumonia is characterized by fever, malaise, and dry cough, with a few patients having nasal congestion, runny nose, and diarrhea. Severe cases tend to develop respiratory distress after 1 week, with rapid progression to acute respiratory distress syndrome, septic shock, uncorrectable metabolic acidosis, and bleeding and coagulation dysfunction in severe cases. Therefore, during the epidemic, the following changes in condition need to be monitored daily on their own: 1. The presence of fever. Close observation of body temperature is recommended, and it is suggested to measure it at least twice a day. 2.Whether there is chest tightness, shortness of breath, shortness of breath, increased heart rate, and other symptoms. 3.Whether there is diarrhea, vomiting and other digestive system symptoms.