There is no trick to dry cough, according to different causes such as tuberculosis, pharyngitis, cough variant asthma, environmental factors, reflux esophagitis, postnasal drip syndrome and other anti-tuberculosis, pain relief, bronchodilatation, detachment from the environment, acid suppression, antihistamine and other treatments. 1. Tuberculosis, a common disease that can cause dry cough, requires timely anti-tuberculosis treatment, the use of isoniazid, rifampicin and other anti-tuberculosis drugs. 2. Pharyngitis, the mucous membrane in the throat area produces damage, resulting in dry cough, can be treated by gargling with compound boric acid solution. 3. Cough variant asthma, is a common disease that can cause dry cough, usually treated with bronchodilators such as salbutamol. 4. Environmental factors, irritating gases, such as fumes, etc., can be relieved by removing oneself from the environment. 5. Reflux esophagitis, which can irritate the esophagus and cause a dry cough, can be treated with proton pump inhibitors such as omeprazole for acid suppression. 6. Postnasal drip syndrome, nasal secretion backflow to the pharynx can stimulate the throat to produce cough, the use of glucocorticoid nasal spray, leukotriene receptor antagonist such as montelukast symptomatic. It is recommended that the cause of the disease be clarified after timely medical examination, and the treatment should be carried out according to the doctor’s instructions.