目的 :研究西北地区过敏性支气管哮喘的发生情况、致病原因及分布特点 ,为本病的预防和救治提供科学依据。方法 :统计临床病历资料进行分析。结果 :本地区该病不同职业人群分布以工人、干部、学生为主 ,占 86.2 % ,发病季节主要集中在 4～ 9月份 ,占 59.4 4 % ,致敏原因以花粉、霉菌、烟尘类为主 ,占 73.10 % ,食物类以水产品、豆类、畜产品为主 ,占 70 .8% ,患病年龄以青中年为主。结论 :初步摸清了西北地区过敏性哮喘的流行特征、分布特点及主要致病因素 ,加强相应的预防措施 ,可以减轻本病的发作 Objective: To study the occurrence, causes and distribution of allergic bronchial asthma in the northwest of China and provide a scientific basis for the prevention and treatment of this disease. Methods: Statistical clinical medical records were analyzed. Results: The population distribution of different occupational diseases in this area was mainly worker, cadre and student, accounting for 86.2%. The season of onset was mainly in April and September, accounting for 59.4%. The main allergens were pollens, molds and soots Accounting for 73.10% of the total. Food mainly consisted of aquatic products, legumes and animal products, accounting for 70.8% of the total. The age of majority was middle-aged and young. Conclusion: The prevalent characteristics, distribution characteristics and main pathogenic factors of allergic asthma in Northwest China were initially found out, and the corresponding preventive measures were strengthened to reduce the onset of this disease