Abstract: 180 cases of the stage Ⅱ b cervix cancer accept different treatment methods.The 5-year survival rate of the pureexternal radiotherapy was 30%, the external irraditionand intracavitary radiotheray 80.1%,the exteranl radiotherapy berore the operation 88.0%, the postoperative radiotherapy 62.5%.The preoperative radiotherapy compareswith the pure external radiotherapy and the postoperative radiotherapy (P 0.01),compares with the external irradiation (PO.05).So, the author considers that thepure external radiotherapy showdn't be chosen as the normal treatment method of thecervix cancer and the preoperation radiotherapy benefits the increase of the survivalrate.