Cough remedies are not real and should not be abused; the cause of the cough should be clarified and standardized treatment should be carried out to address the cause. Cough is a relatively common symptom that cannot be treated with local remedies. Local remedies are not clinically proven and may not be effective in treating cough. Abuse of local remedies may delay the condition and lead to aggravation. Cough should be treated for the cause of the disease, for example, cough caused by bronchitis can use roxithromycin, amoxicillin and other anti-infective drugs; and discretionary application of cough suppressant, such as Pentoxyverine, dextromethorphan, etc., the specific use of medication is related to the condition. Cough should actively seek medical attention to clarify the cause, and under the guidance of the doctor for treatment, conducive to the recovery of the condition.