Coughing for two months with no relief from medication needs to be identified as the cause of the cough and treated for the different causes in order to relieve the cough. The cause of cough may be allergic cough, upper airway cough syndrome, gastro-esophageal reflux disease, etc., need to be treated for the cause. 1. Allergic cough: patients mainly manifest irritating cough, but usually paroxysmal, related to contact with allergens. Patients need to avoid allergens, and at the same time can use loratadine, cetirizine and other anti-allergy drugs treatment. 2. Upper Airway Cough Syndrome: Nasal diseases cause secretions to flow backward to the back of the nose and throat and other parts of the body, resulting in cough as the main manifestation. First-generation antihistamines such as chlorpheniramine maleate and decongestants such as pseudoephedrine hydrochloride can be taken. 3. Gastro-esophageal reflux disease (GERD): The reflux of gastric acid and other gastric contents into the esophagus leads to cough as the prominent clinical manifestation. Proton pump inhibitors such as omeprazole and gastric stimulants such as mosapride can be taken. Causes of recurrent cough also include the use of captopril and other side effects of drugs, such as coughing, medication is ineffective, it is recommended that timely examination in the hospital to clarify the cause of the corresponding treatment as prescribed by the doctor.