A Randomized Controlled Study on the Effect of Acupuncture Intervention in Advance on the Efficacy of Moderate to Severe Seasonal Allergic Rhinitis

INTERVENTION: experimental group:Acupuncture treatment. According to patients' previous attack time, acupuncture intervention are given in advance 4 weeks before the onset of the disease, and acupuncture treatment continue for another 4 weeks when the disease attacks.;control group:Acupuncture treatment. The patient did not receive any intervention before the onset of the disease, and was given acupuncture treatment for 4 weeks during the episode of disease.; CONDITION: Seasonal Allergic Rhinitis PRIMARY OUTCOME: Total nasal symptom scores (TNSS); SECONDARY OUTCOME: Patient acceptance;attack rate;Rhinoconjunctivitis quality of life questionnaire(RQLQ);Rescue medication score (RMS);Total nonnasal symptom score (TNNSS);Patient satisfaction; INCLUSION CRITERIA: (1) Meet the diagnostic criteria of moderate and severe seasonal allergic rhinitis; (2) Subjects with positive reactions to seasonal inhalation allergens such as pollen and fungi in skin prick test; (3) Subjects with a history of seasonal allergic rhinitis for at least 2 yearswho have a fixed onset time each year and are currently in remission; (4) The average total nasal symptom score(TNSS)=4 during the episode in the past year; (5) Subjects aged between 18‐65 years old; (6) Subjects who volunteer to participate in the clinical study, and are able to answer relevant scale questions truthfully as required, recorded the use of anti‐allergy drugs, and signed informed consent. Only those who meet the above si Xitems can be included.