本文以离石城区及附近１２岁以下儿童患过敏性紫癜为临床观察对象。１９９２年１月至１９９４年１２月诊治的过敏性紫癜患儿１４４例，以年做对比，９２年３０例，９３年４８例，９４年６６例。９３年是９２年的１．６倍，９４年是９２年的２．２倍，充分说明发病享在逐年增长。男性９０例，女性５４例，男女之比为１．６６：１。诱因：调查发现病毒感染占４５％，细菌感染占２５％，气候、花粉、冷饮中色素过敏占２５％，外伤后继发占０．１４４％，原因不清占４．８５６％。发疹部位，单下肢和足发疹占４６％，四肢及手足发疹占３４％，躯干及四肢，手足同时发疹占１３％，全身发疹占７％。临床类型，单纯型６１例，腹型３８例，关节型３５例（其中１例左膝关节大量积液），混合型１０例（其中有１例紫癜肾）。治疗以中西医结合为主，治疗结果较满意，除１例紫癜肾外，均一次性治愈。全部患儿均进行了随访，特将本组病的临床观察和调查分析作一报道。 In this paper, Lishi city and nearby children under the age of 12 suffering from allergic purpura as a clinical observation object. Between January 1992 and December 1994, 144 children with Henoch-Schonlein purpura were diagnosed and treated, compared with 30 years in 92 years, 48 ​​cases in 93 years and 66 cases in 94 years. 93 years is 1.6 times that of 92 years and 94 years is 2.2 times that of 92 years, which fully shows that the incidence is enjoying increasing year by year. 90 males and 54 females, the ratio of male to female was 1.66: 1. Incentives: The survey found that 45% of the virus infection, bacterial infection accounted for 25% of the climate, pollen, cold drinks, 25% of pigmented allergies, trauma, followed by 0.144% accounted for 4.856% of reasons unclear. Rash site, single lower limb and foot rash 46%, limbs and hand-foot rash 34%, trunk and limbs, hand and foot at the same time rash 13%, systemic rash 7%. There were 61 cases of simple type, 38 cases of abdominal type, 35 cases of joint type (1 case of massive left knee joint effusion) and 10 cases of mixed type (including 1 purpura kidney). Treatment of Integrative Medicine, the treatment results are more satisfactory, except for 1 case of Purpura, are a one-time cure. All children were followed up, especially the clinical observation and investigation of the disease for a report.