For the disease caused by novel coronavirus infection, there are no specific therapeutic drugs, and clinical treatment is mainly based on isolation treatment and symptomatic support. It is important to ensure that patients have sufficient heat, pay attention to water-electrolyte balance, and closely monitor vital signs and oxygen saturation. Drug treatment can be tried with a-interferon nebulized inhalation, lopinavir. Bacteriological monitoring should be strengthened, and antibacterial drugs should be applied promptly when there is evidence of secondary bacterial infection. Short-term use of glucocorticoids, as appropriate, according to the degree of respiratory distress and the progression of chest imaging in patients. In severe and critical cases, on the basis of symptomatic treatment, actively prevent and treat complications, treat underlying diseases, prevent secondary infections, and provide timely organ function support. Patients often have anxiety and fear, and psychological guidance should be strengthened.