After the diagnosis of novel coronavirus infection, the main treatment is symptomatic, there is no specific clinical drugs, you can try to clear the heat and detoxify the drug, such as Lianhua Qingfei capsule and so on. Anti-viral drugs such as oseltamivir, Abidor, etc. can also be used. For example, if the patient has phlegm and cannot cough, expectorant drugs can be used, such as Mucosolvan, Chenault, etc. If the patient has a severe cough, cough suppressant drugs can be used, such as pulmonary cough combination, Suhuang cough capsule, etc. When the patient has fever, we can use physical cooling or antipyretic drugs according to the body temperature. If the patient has hypoxemia, oxygen is needed; if the patient has respiratory failure, invasive ventilator or non-invasive ventilator can be considered.