该文主要针对职业性铅中毒，从作用机制、症状、诊断、致病原因以及预防措施等几个方面对其进行了简单的论述。
结论中药四君子汤可以降低慢性铅中毒幼鼠的血铅浓度。
1·The key factor for defending children' plumbism is intervention the living environment and health education.
预防儿童铅中毒的关键是环境干预与健康教育。
2·The effects of Zhenzhugai on Pb expelling were studied. The results showed that it can increase the excretion of Pb in urine and decrease Pb concertration in bones. It can also prevent plumbism.
研究了真珠钙驱铅效果，给亚急性中毒的大鼠服用后，可增加铅从尿中排量，降低骨中蓄积量，对防治铅中毒有一定作用。