儿童佝楼病（迟发性佝楼病）近年来常见有报道，尤其在我国北方大城市已引起了较多关注。其主要症状为下肢疼痛、多汗、生长过快等[1，2]。我们于1997年6月~1998年3月对上海市曹杨地区小学生进行调查，发现这一地区儿童佝楼病的患病率也是较高的。1对象和方法1．1对象曹杨地区3 In recent years, it has been reported in children with Tau Lou disease (late onset Tau Lou disease), especially in the northern cities of our country. The main symptoms of lower extremity pain, sweating, rapid growth [1,2]. From June 1997 to March 1998, we surveyed primary school students in Caoyang district of Shanghai and found that the prevalence rate of children’s scallop diseases in this area is also high. 1 objects and methods 1.1 object Cao Yang area 3