The symptoms of itchy throat and cough are more common in clinical practice, and are mostly caused by pharyngitis in which the itchy throat stimulates the sensitive bronchial tubes. If the patient has an itchy throat and cough with yellowish sputum, attention should be paid to investigate the possibility of bronchitis, and a chest X-ray should be performed in a timely manner, and anti-inflammatory and cough suppressant treatment can be given. Patients with cough variant asthma cannot be ignored clinically. Patients often have itchy throat and cough, and they are prone to good attacks in the evening and early morning, and they are sensitive to fumes, dust, cold air, etc. Patients mostly need to perform pulmonary function plus bronchial excitation test and exhaled gas nitric oxide measurement to diagnose. The patient’s cough can mostly be relieved significantly.