The main symptomatic manifestations of the new crown include fever, dry cough, malaise, and decreased sense of smell, and the imaging manifestations are mainly multiple patchy shadows. The main symptom of new crown is fever, which is typically persistent high or low, and may be accompanied by headache, fatigue, and muscle aches. Most patients will experience an irritating dry cough and sputum, which may be thick or even show a small amount of blood. In addition, some patients may experience chest tightness, shortness of breath, and dyspnea. The imaging manifestations of patients with new crowns are multiple patchy shadows and interstitial changes, in which the outer bands of the lungs are obvious, and then develop into multiple ground glass and infiltrated shadows in both lungs. If there is a history of close contact with a patient with a new crown and the above symptoms occur, it is recommended to seek medical attention and isolation.