特发性高钙尿症 (IH)是一种无明确病因的以尿钙排泄增多而血钙正常为特征的疾病。本文对 2 5例 IH病儿的临床特征进行分析 ,现报告如下。1　临床资料1.1　一般资料2 5例病儿中 ,男 15例 ,女 10例 ;年龄 2 .0～ 11.5岁 ,平均 6 .8岁。诊断标准见文献 [1,2 ]。确诊后进行钙负荷试 Idiopathic hypercalciuria (IH) is a disease characterized by increased urinary calcium excretion and normal serum calcium without any definite cause. This article 25 cases of IH clinical features of children were analyzed, are as follows. 1 Clinical data 1.1 General Information 25 cases of sick children, 15 males and 10 females; aged 2.0 to 11.5 years, mean 6.8 years. Diagnostic criteria see the literature [1,2]. After the diagnosis of calcium load test