The World Health Organization (WHO) announced on July 5, 2003 that it has successfully controlled SARS infectious non-typical pneumonia, also known as severe acute respiratory syndrome (SARS), as the main characteristic of the disease. SARS is a major source of infection, mainly acute patients, when the patient is caused by the infection with SARS-related coronavirus, the symptoms are fever, dry cough, thirst as the main symptoms, and there are obvious symptoms such as rapidly progressing respiratory system failure, a new respiratory infectious disease, which is highly infectious and rapidly progressing the condition. SARS is the main characteristic of the disease because of the patient's exposure to excretion, excessive exposure and infectious transmission, in particular during the