铅是环境中的一种有毒重金属 ,可通过多种途径 (如空气、食物 )进入人体 ,对人体造成多系统、多功能的损害。预防铅中毒 ,除推广使用无铅汽油及杜绝使用含铅制品包装或存放食物外 ,营养因素在预防中的作用不容忽视。目前 ,对锌、硒拮抗铅毒性的研究比较多。本文就锌、硒拮抗铅 Lead is a toxic heavy metal in the environment that can enter the human body through multiple channels (such as air and food), causing multiple systemic and multifunctional damage to the human body. To prevent lead poisoning, in addition to the promotion of the use of unleaded petrol and the elimination of the use of lead-based products for packaging or storage of food, the role of nutritional factors in prevention can not be ignored. At present, zinc, selenium antagonistic lead toxicity are more studied. In this paper, zinc, selenium antagonistic lead