本文简要揭示了肿瘤细胞中染色体易位的四种基本特征;并将肿瘤细胞染色体易位分为四种不同类型。染色体易位裂点、癌基因位点和染色体脆性位点有高度的相关性。染色体脆性位点和癌基因位点可能是肿瘤染色体易位的活跃部位,脆性位点可能与易位的始动有关;易位是激活癌基因的重要方式。 This article briefly reveals the four basic features of chromosomal translocations in tumor cells; and the chromosomal translocation of tumor cells is divided into four different types. Chromosomal translocation point, oncogene locus and chromosomal fragile sites have a high degree of correlation. Chromosome fragile sites and oncogenes may be the active site of tumor chromosomal translocations, and the fragile sites may be involved in the initiation of translocation; the translocation is an important way to activate oncogenes.