Currently, the country classifies novel coronavirus pneumonia as a category B infectious disease, but it is managed as a category A infectious disease, and the rate of death from novel coronavirus pneumonia cannot be generalized. The severity of the disease varies from population to population. Based on the data available so far, most children and adolescents recover from novel coronavirus pneumonia. The elderly population with underlying disease may be at risk of further exacerbation of novel coronavirus pneumonia and death. The overall mortality rate of patients with novel coronavirus pneumonia reported in different studies varies somewhat, and academician Zhong Nanshan once used 1099 cases of patient data to analyze the mortality rate of the disease at about 1%-2%. Content source: Dr. You Lai