Morning and evening cough is more serious first of all need to clarify the cause of the disease, may be due to colds, pneumonia, chronic lung disease, lung cancer, pharyngitis and other causes, according to the cause of the disease can be used respectively dextromethorphan, penicillin, aminoglutethimide, erlotinib, compound boric acid solution and other drugs, supplemented by cough symptomatic treatment. 1. Cold: the most common cause, caused by viruses, symptomatic treatment as the main way, can use dextromethorphan and other cough suppressants to relieve symptoms. 2. Pneumonia: antibiotics can be used to control the infection, such as penicillin and levofloxacin. 3. Chronic lung diseases: including chronic bronchitis, chronic obstructive pulmonary disease, etc. Ambroxol and compound licorice tablets can be used to resolve phlegm and suppress cough. 4. Lung cancer: according to the pathological type and stage, radiotherapy, targeted drug therapy such as erlotinib or surgery can be used. 5. Pharyngitis: Generally, gargling with compound boric acid solution is the main treatment. Morning and evening cough is more serious can also be seen in cough variant asthma, etc., the specific causes need to be examined by a doctor to clarify, while using drugs under the guidance of a doctor.