Minor coughs need to be treated according to the cause of the symptoms, such as smoking or environmental irritation, colds, lung diseases, digestive system, circulatory system diseases, respectively, smoking cessation, cough suppression, anti-infective, acid suppression and improvement of circulation. 1. Smoking or environmental irritation is a common cause of mild cough, which can be relieved by quitting smoking or removing oneself from the environment. 2. Colds can also cause mild coughing symptoms, which can be relieved by drinking plenty of fluids. Colds are self-limiting, so coughing symptoms usually get better after a cold has cleared up. 3. Lung diseases, such as pneumonia, generally require anti-infective treatment with penicillin according to the results of drug sensitivity tests. 4. Digestive system, mainly refers to gastroesophageal reflux, using omeprazole and other acid-suppressing drugs. 5. Circulatory system, such as heart failure, can also cause a slight cough, the use of the hair flower glycosides such as C to improve circulation treatment. Specific causes need to be clarified after medical examination, and at the same time, the use of drugs in accordance with the doctor’s instructions, not self-medication.