本文总结高原地区收治185例3岁以下急性阑尾炎病例，对其发病与高海拔的关系，临床特点及转归进行了分析探讨，提出此型阑尾炎尤其是新生儿阑尾炎局部症状不典型，起病急、穿孔早．误诊率高，应仔细观察，反复查体．借助腹腔穿刺、肛门指检、X线、腹部B超等手段，争取早期诊断、早期手术治疗，以减少并发症，降低死亡率，提高治愈率。 This article summarizes the 185 cases of acute appendicitis under 3 years of age treated in the plateau, the relationship between the incidence and high altitude, clinical features and prognosis were analyzed and discussed this type of appendicitis, especially neonatal appendicitis local symptoms are not typical, acute onset Perforated early. Misdiagnosis rate should be carefully observed, repeated examination. By means of abdominal puncture, anus finger examination, X-ray, abdominal B ultrasound and other means for early diagnosis and early surgical treatment to reduce complications, reduce mortality and improve the cure rate.