儿童过敏性紫癜又称舒-亨综合征(HSP)是一种与免疫有关的由多种因素诱发的多系统损害血管炎性疾病[1]。其发病程度不同,临床表现复杂。近年来,该病发病率呈逐年上升趋势[2]。临床上表现为非血小板减少性皮肤紫癜、关节肿痛、腹痛、便血、血尿及蛋白尿等,以皮肤紫癜最有特点,是儿 Henoch-Schonlein syndrome (HSP), an allergic purpura in children, is an immune-related, multisystem-induced vascular inflammatory disease that is induced by a variety of factors [1]. The incidence of different clinical manifestations complex. In recent years, the incidence of the disease showed a rising trend year by year [2]. Clinical manifestations of non-thrombocytopenic purpura, joint swelling and pain, abdominal pain, blood in the stool, hematuria and proteinuria, the most characteristic of the skin purpura is