镉是一种重金属毒物 ,对机体可造成广泛的损害 ,腹腔注射一定剂量的镉可引起脂质过氧化反应[1] 。硒是必需微量元素 ,在正常摄入情况下具有抗脂质过氧化作用[2 ] 。但经饮水同时给予硒和镉 ,硒对镉所产生的脂质过氧化是否有拮抗作用的报道较少。为此我们给大鼠分别饮用镉 ,硒加 Cadmium is a heavy metal poison, can cause extensive damage to the body, intraperitoneal injection of a certain dose of cadmium can cause lipid peroxidation [1]. Selenium is an essential trace element and has anti-lipid peroxidation under normal intake [2]. However, selenium and cadmium were given simultaneously by drinking water, selenium on cadmium lipid peroxidation produced by the antagonistic effect is less reported. To this end we were to rats were drinking cadmium, selenium plus