The general symptoms of novel coronary pneumonia are: fever, malaise, dry cough, and gradually dyspnea, while some patients may have a mild onset of symptoms or even no significant fever. Therefore, the degree of fever alone does not determine whether or not a person has new coronary pneumonia. The diagnosis of novel coronary pneumonia requires a combination of clinical manifestations, laboratory tests, and chest imaging to reach a final conclusion. As for those who are isolated at home, the Guidelines for Prevention and Control of Novel Coronavirus state that prompt medical attention is recommended if a high fever of more than 39°C is present.