Patients with prolonged cough may have tuberculosis, chronic bronchitis, cough variant asthma and other causes, and need to use anti-tuberculosis drugs, antibiotic drugs, phlegm drugs, etc. according to the specific causes and conditions, to promote cough relief and phlegm discharge. 1. Tuberculosis: If the patient suffers from tuberculosis, then anti-tuberculosis treatment should be carried out to relieve the symptoms of coughing with phlegm. Commonly used drugs include rifampicin and ethambutol. 2. Chronic bronchitis: if the patient has chronic bronchitis caused by recurrent coughing, the presence of bacterial infection can be used cephalosporin and other antibiotics, supplemented by bromhexine and other phlegm drugs for treatment, to alleviate the symptoms of coughing with phlegm. 3. Cough variant asthma: If the patient has cough variant asthma, then it is easy to be triggered after contact with allergens, at this time should be away from allergic substances. At the same time can use budesonide, salbutamol and other drugs treatment. Patients with chronic coughing symptoms, you should go to the hospital in a timely manner, clear causes, assess the condition, under the guidance of the doctor for formal treatment, do not take medication.