Summary of case history,　The patient surnamed Fan, a 17-year-old male, was first diagnosed on July 10, 2022. Chief complaint: nasal itching, sneezing, runny nose, nasal congestion for more than 10 years, aggravated for 1 week. The patient began to have nasal congestion and runny nose after catching cold more than 10 years ago, and gradually appeared nasal itching and sneezing symptoms, which became worse in winter and spring or when cold air stimulated. One week ago, the patient got cold after sweating during exercise, and the above symptoms aggravated again, so he came to the hospital now. Present symptoms: nasal itching, sneezing frequency, nasal discharge continuously, with a large number of clear nasal discharge. Intermittent nasal congestion, which is obvious in the morning and in the quiet state, alleviates after activity, itchy eyes, occasional tears, pharyngeal itching discomfort, nose backflow, cough up white sputum, no discomfort of ear swelling, no dizziness or headache. With chilly, spontaneous perspiration, exhausted, which is aggravated after exercise. Appetite to fair, Average quality of sleep, it is difficult to sleep during nasal congestion attacks, No symptoms of abdominal distension or diarrhea, A slight frequency of urine, Shit is compatible. The tongue is light red, the coating is thin and white, and the pulse condition is like string and slippery.,TCM diagnosis,　The desease of Bi Qiu, The pattern of syndrome is deficiency of lung Qi and cold.,Western medicine diagnosis,　Allergic rhinitis.,Therapeutic methods,　To warm the lung and disperse the cold, replenish qi and strengthen solid surface as the treatment method, combination Cangerzi San and Yupingfeng San as the treatment medicine.,Clinical outcomes,　This patient was treated with TCM. Based on the basic theory of TCM, Dr. Ruan analyzed the etiology and pathogenesis of patient's allergic rhinitis. After 10 days of medication, the patient's nasal clinical symptoms improved significantly, and the clinical concomitant symptoms also improved. At a follow-up period of 1 month, the symptoms of this patient improved significantly.