Cough is a common symptom of respiratory diseases, many diseases can cause cough, can include infectious and non-infectious diseases. Adults often cough, you can go to the hospital to take a chest X-ray or chest CT and other tests, in order to clarify the cause of the cough, the treatment is as follows: 1, if the consideration of inflammation caused by the anti-inflammatory treatment; 2, if it is tuberculosis caused by cough, the patient needs to carry out anti-tuberculosis drug treatment; 3, if it is a lung tumor caused by cough, the patient needs to carry out a combination of treatment, including surgery, radiotherapy, chemotherapy and other treatments If the cough is caused by lung tumor, the patient needs comprehensive treatment including surgery, radiotherapy and chemotherapy. Cough, phlegm treatment, such as honey-refined loquat paste, lung cough, aminoglutethimide hydrochloride dispersible tablets and other drugs can be given. Diet should be lighter, less spicy and stimulating food, and quit smoking and drinking during the treatment period.