New coronavirus pneumonia, i.e., new coronavirus pneumonia, most of the patients have no symptoms in 1~7 days, some patients may have fever, dry cough and other symptoms, and some patients may have shock, coagulation disorder and other symptoms in severe cases. Most patients with novel coronavirus pneumonia have no obvious clinical manifestations when they are infected for 1 to 7 days, and asymptomatic patients account for the majority. Some symptomatic patients will have fever, dry cough, runny nose, diarrhea, skin papules and other symptoms. In addition, other patients may have symptoms such as fatigue, sore throat, nasal congestion, decreased sense of smell, decreased or loss of taste, muscle pain, and abdominal pain. If the patient is infected with the novel coronavirus on day 7, the condition gradually worsens and the symptoms worsen. Patients may also experience a variety of symptoms such as shock, coagulation disorders, respiratory distress, hypoxemia, respiratory distress syndrome, multiple organ failure, and septic shock. Patients with novel coronavirus pneumonia may be asymptomatic at 1 to 7 days or may develop fever and dry cough. It is recommended that patients with fever, diarrhea and other uncomfortable symptoms should go to the hospital for examination in a timely manner.