Cervical cancer is the most common reproductive malignancy in developing country. Due to local invasion, radical hysterectomy cannot be performed in advanced cervical cancer (FIGO IIB - IVA) , so that radiation combined with chemoradiation (RCTX) is a traditional treatment nowadays. Lack of precise treatment strategies, recurrent ratesand metastasisis high ,and the 5-year survival rate is less than 50%. Therefore, it needs to explore a new strategy for improving the prognosis of advanced cervical cancer.