特发性婴儿高钙血症系近二十年始被认识的疾病,1952年由Lightwood和Fanconi首先报告,我国系1963年发现。本病与应用维生素D有关,过去发病机理未明,曾有许多学说,通过本文2例观察,我们认为本病系在外胚叶发育不全的基础上发生,患儿对维生素D过敏,长期应用维生素D,使发育更加障碍,由于对病因的进一步了解,为预防本病提供了更多知识。 Idiopathic infantile hypercalcaemia is a disease that has been recognized for nearly two decades. It was first reported by Lightwood and Fanconi in 1952, and my department was discovered in 1963. The disease and the application of vitamin D, the past pathogenesis is unknown, there have been many doctrines, through the observation of 2 cases of this article, we believe that this disease occurs in the basis of the development of the ectoderm, children with vitamin D allergies, long-term use of vitamin D , To make development more obstacles, due to further understanding of the cause, to prevent this disease provides more knowledge.