Construction and Optimization of a Diagnostic and Treatment System for Allergic Rhinitis-Asthma Syndrome Based on Zang-Xiang Theory and TCM Prevention and Treatment Strategies: a Study on the Intervention of Anserine Powder in the Preclinical Development of Allergic Rhinitis-Bronchial Asthma Syndrome

INTERVENTION: The Western medicine treatment group: 120 cases.:Cetirizine 10 mg oral at night for 2 weeks.;Integrated Traditional Chinese and Western Medicine Treatment Team:Phyllanthus urinaria powder, nasal application, bid + Cetirizine 10mg, oral administration at night for a 2‐week course.; CONDITION: Allergic Rhinitis‐Asthma Syndrome PRIMARY OUTCOME: The rate of recurrent acute episodes of AR within 1 year;Improvement in symptom scores (TNSS and TNNSS scores); SECONDARY OUTCOME: The incidence rate of progression to CARAS within 1 year.; INCLUSION CRITERIA: Preclinical stage Meet the diagnostic criteria for AR and nasal disease; meet the diagnostic criteria for deficiency‐cold of lung qi in traditional Chinese medicine; gender, age 18 75 years; asthmatic hyperresponsiveness positive (pulmonary function test/FeNO test); no other treatment used or treatment stopped for more than 2 weeks prior to enrollment; total nasal symptom score (TNSS) =4 points prior to enrollment; voluntarily participate in this clinical trial, voluntarily sign the informed consent, and willing to follow the study protocol.