The present reviewsums up mechanisms, intervention trials and clinical treatment to discuss the function and development of microelement Sepreventing and treating tumor.

• 本文就硒在预防和治疗肿瘤中的作用及应用进展,从硒的抗肿瘤作用机制,人群干预实验和硒的抗肿瘤临床应用三个方面作一综述。