Novel pneumonia is an acute respiratory infection caused by a novel coronavirus infection. The novel coronavirus discovered this time is a novel coronavirus that has not been found in humans before and belongs to the coronavirus family, the same family as the well-known SARS virus. The specific source of the new coronavirus is not yet clear, according to the current evidence can be determined that the virus can be sustained human-to-human transmission, patients with the new coronavirus is the main source of infection, mainly through respiratory air droplet transmission and contact transmission, can cause fever, malaise, dry cough and even breathing difficulties and other symptoms of infection.