Cough and sputum are mainly caused by the invasion of pathogens in the body, and the inflammatory reaction of the respiratory tract, with a large amount of inflammatory secretions. Blood tests and CT of the lungs can be taken to clarify the cause and condition. Chinese medicines such as orange red phlegm and cough liquid, honey-refined Chuanbei loquat extract, snake bile and Chuanbei liquid, snake bile and Chenpi san, etc.; Western medicines such as aminoglutethimide oral liquid, aminoglutethimide syrup, carboxymesterol oral liquid, etc. can be taken appropriately. You can also use budesonide nebulizer solution, nebulized inhalation and other symptomatic treatment. If necessary, sputum is taken for culture of pathogens, as well as drug sensitivity test and anti-pathogen treatment. Anti-bacterial drugs such as penicillins, cephalosporins, macrolides or quinolones can be chosen; antiviral drugs such as ribavirin and oseltamivir can be chosen. Depending on the condition, drugs can be given orally, intramuscularly or intravenously by drip.