New coronavirus caused by the new coronary pneumonia is an infectious disease, currently our country identified as a class B infectious disease, according to the management of class A infectious diseases. In addition to the new coronavirus, category B infectious diseases, infectious atypical pneumonia, human infection with highly pathogenic avian influenza, and A H1N1 is also managed in accordance with category A infectious diseases. Category A infectious diseases refer to plague and cholera. Category A infectious diseases require reporting within two hours of discovery in urban areas and no more than six hours in rural areas. Therefore, if a new coronavirus infection is found in pneumonia, the time limit for reporting is also to be strictly enforced. At the same time, patients must be isolated for treatment, close contacts isolated medical observation, etc. Category A infectious disease prevention and control measures are conducive to rapid control of the epidemic.