The best way to treat cough is not reliable, cough mainly take the cause of treatment, symptomatic treatment. 1. Causal treatment: causal treatment is mainly for the cause of cough treatment, such as cough due to cough variant asthma, need to immediately stay away from allergens, the use of budesonide, salbutamol and other nebulizer treatment, oral antiallergic drugs, such as loratadine; Cough due to bronchitis, need to actively identify the pathogen, if due to mycoplasma, can be given azithromycin, levofloxacin and other anti-infective treatment; due to tuberculosis caused by cough need to carry out anti-tuberculosis treatment, commonly used drugs, including isoniazid, rifampicin, etc.; drug treatment is ineffective, can be considered for surgical treatment. 2. Symptomatic treatment: Symptomatic treatment mainly focuses on the symptoms of cough, commonly used cough suppressants include dextromethorphan, codeine, etc., which are suitable for severe dry cough, affecting work and rest; when accompanied by symptoms of coughing phlegm can be used to reduce phlegm as appropriate, such as aminoglutethimide hydrochloride, myrtle oil and so on. Cough should be treated under the guidance of a professional doctor to avoid abusive treatment methods, so as not to delay the condition, resulting in aggravation of the condition. The above medications should be used under the supervision of a physician.