RÉSUMÉ
Objective To analyze the changes of vitamin D in children with Henoch-Schonlein purpura(HSP).Methods 130 children with HSP from Kunming Children's Hospital between July 2022-July 2023 were selected as the study subjects and 100 healthy children were selected during the same period as the control group.The blood samples were collected from the children with HSP and the healthy children.The content of vitamin D was measured by Kunming Kingmed Institute for Clinical Laboratory.Results The content of 25(OH)D in children with HSP was lower than that in healthy children,and the difference was statistically significant(P<0.01).The proportion of vitamin D insufficiency in children with HSP was higher than that in healthy children,and the difference was statistically significant(P<0.01).Conclusion The children with HSP are prone to vitamin D insufficiency.Vitamin D supplementation may provide a new method for the treatment of HSP.