If the cough is irritating and dry, with chest pain and dyspnea, the patient can be treated with cough suppressants such as codeine phosphate or dextromethorphan. In addition to cough suppressants, patients can also be treated with broad-spectrum antiviral drugs, such as oseltamivir phosphate and ribavirin, etc. At the same time, Chinese herbal medicines with purgative and antiviral effects, such as Banlangen and Jinyinhua, can be given to improve the symptoms and shorten the course of the disease. This can help to improve the symptoms and shorten the course of the disease. In addition, during the period of medication, avoid smoking, alcohol, rest and drink more water to prevent secondary bacterial infections.