The mild form of novel coronavirus pneumonia usually heals itself in about 1 week, because novel coronavirus is a viral infection, there is no specific medicine, and it is a self-limiting disease. And light patients according to our “new coronavirus pneumonia diagnosis and treatment protocol (trial version VI)” criteria, new coronavirus pneumonia light refers to clinical symptoms mild, with fever and mild malaise, imaging does not see pneumonia manifestations, in the whole new coronavirus pneumonia accounted for about 5%. As it is, this group of patients will also be isolated or admitted to a square hospital to achieve a temperature reduction to normal for more than 3 days, 2 consecutive nucleic acid tests with an interval of more than 1 day each before they will be discharged, and will be isolated at home for 2 weeks after discharge.