The first thing you need to do is to determine the disease that caused the cough, generally considered to be bronchitis, pharyngitis, pneumonia, etc., according to the cause of the use of drugs to treat. 1. Bronchitis, pneumonia: caused by phlegm cough, mainly the mucous membrane of the trachea or lungs by inflammation stimulation, caused by a symptom. Under the guidance of the doctor to choose drugs for treatment, such as ambroxol hydrochloride tablets to resolve phlegm cough treatment; in the clear bacterial infection can be given amoxicillin, levofloxacin, cefuroxime and other anti-infective treatment. 2. Pharyngitis: pharyngitis triggers phlegm and cough in patients, also because of inflammation of the mucous membrane involving the pharyngeal lymph nodes caused by the symptoms. Under the guidance of the doctor to choose drugs, such as compound chlorhexidine gargle gargle; clear bacterial infection after the choice of amoxicillin, cephradine and other anti-infective treatment. Coughing with a lot of sputum can also be seen in other causes, such as chronic obstructive pulmonary disease, bronchial dilatation, lung cancer, etc. It is recommended to go to the hospital in a timely manner, to clarify the cause of the disease, and then follow the doctor’s instructions to use medication. The above medications should be used under the supervision of a physician.