Abstract: 23 patients with allergic purpuraonephritis under treatment of chinese drugs combined withlei geng( tripterygium wilfordii ) had been compared with 15 patients only treated with lei gongteng. the result showed that the plamic endotheliolysin ang igg. iga were obvously lower than thae of thecontrol group during edssion stage. so wns the ratio of t4/t8. it is suggesed tha the edination of chinesedrugs and lei gong teng is favourable to the restrtbo of plantic endothliolysin and ndogc function.