摘要
基因治疗是指基因导入人体用于治疗人类疾病.本文从基因水平阐述了癌症发病机制。
The gene therapy means treat human diseases or illness especially cancer through gene replacing.This thesis is about the mechanisim of how cancer emerges,the theroretical and technical background of the gene therapy .It's also refer to the prospects for the gene therapy against cancer.