Coronavirus is less likely to have sequelae after cure. If the patient is sicker, a decline in lung function can occur after recovery from the disease. Patients may develop shortness of breath after activity, etc. There are some reports showing that some patients with neo-coronary pneumonia develop psychological disorders and even reproductive function is affected after recovery, but these are only isolated cases. Although there are no curative drugs available on the market, most patients recover successfully with symptomatic treatment. A few critically ill patients may experience a decline in lung function after recovery due to co-infection with bacteria or the occurrence of other complications.