First, patients suspected or confirmed with avian influenza should be isolated and treated as early as possible. Second, antiviral medications such as oseltamivir and zanamivir should be taken within forty-eight hours of onset, the sooner the better. Third, physical cooling or antipyretic drugs should be administered during high fever, and medications like Compound Licorice Tablets and Ambroxol Hydrochloride can be used to relieve severe cough and phlegm. Oxygen therapy using nasal cannulas or masks may be administered depending on the degree of hypoxia. Fourth, strengthen supportive treatment, maintain internal environment stability, and prevent complications.