The common symptoms of novel coronavirus infection include fever, dry cough, malaise and coughing up sputum, but the symptoms manifested vary due to the variability of the organism and the severity of the disease. New crown refers to the new coronavirus pneumonia, after infection with the new coronavirus, most patients will have fever, fatigue, nasal congestion, runny nose, dry cough, chest tightness, shortness of breath and other symptoms, some patients may also have hemoptysis, sore throat, muscle pain, diarrhea and other adverse reactions. Some patients may also be asymptomatic. For patients with severe disease, symptoms such as no obvious fever, low to moderate fever, etc. will usually occur. With the development of the disease, some patients may have respiratory distress, inattention, coagulation dysfunction, multi-organ failure and other manifestations, and a small number of patients may also experience ischemic necrosis of acromegaly, severe damage to the central nervous system and other conditions. When the body appears uncomfortable symptoms, should go to the hospital in a timely manner for relevant examinations, clear causes for targeted treatment. Tips] This article refers to “new coronary pneumonia, new coronary virus pneumonia”, etc., has been December 26, 2022, the National Health Commission issued a notice to change the name to “new coronary virus infection”.