近年来有关金属铅污染环境,危害人体健康的问题,已引起人们的普遍关注。而发铅的含量与环境污染的程度有关。实验证实通过发铅来了解儿童体内的蓄积情况是可靠的。我们按照选点要有代表性的原则,分别对西安市区九所幼儿园和小学1555名健康儿童及部分母亲为铅作业者的儿童发铅进行了测定,以期为正确评价群体铅的水平,防止铅的潜在危害,为少年儿童保健提供科学依据。1 对象和方法选择对象:1555名受检者,其中男性为845名:女性710名,年龄0～14岁。受检者 In recent years, the problem of metal lead polluting the environment and endangering human health has drawn people’s widespread concern. The lead content and the extent of environmental pollution. Experiments confirmed that by sending lead to understand the accumulation of children’s body is reliable. In accordance with the principle of selecting representative points, we conducted a survey on children’s lead in 1555 healthy children and some of their mothers in nine kindergartens and primary schools in Xi’an, in order to correctly assess the level of lead in the community and prevent Potential hazards of lead, provide scientific basis for children’s health care. 1 Subjects and methods to select objects: 1555 subjects, of whom 845 were males: 710 females, aged 0 to 14 years old. Subjects