Cough cooking and drinking to improve the lack of scientific evidence, need to clarify the cause of the targeted medication. And respiratory, digestive and circulatory system diseases may appear cough symptoms. 1. Lung diseases, respiratory infections, chronic bronchitis, chronic obstructive pulmonary disease and other diseases can appear cough symptoms, to cough phlegm as the main principle of treatment, while acute respiratory infections need to choose the right antibiotics such as levofloxacin, cefdinir and other treatments for coughing, the use of dextromethorphan, aminoglutethimide and other drugs. 2. Digestive system diseases, mainly refers to the cough formed by gastroesophageal reflux, generally use omeprazole and other acid-suppressing drugs. 3. Circulatory disorders, including heart failure, can also cause coughs, which are treated with drugs such as torasemide and digitalis to improve circulation. The specific cause of the disease should be clarified after medical examination, and the drugs should be used according to the doctor’s instructions.