60 patients with stageⅠ\~ Ⅲ CRC, who had received surgery and kept their tumor tissue, will be randomly divided into group A (receive DC-CIK treatment, chemotherapy and radiotherapy) or group B (just receive chemotherapy and radiotherapy), and the randomize ratio will be 1:1. Patients in group A will receive 3 cycles of autologous tumor lysate pulsed DC-CIK cells treatment (every 4 weeks) and 4 cycles chemo-radiotherapy. Patients in group B will receive only 4 cycles chemo-radiotherapy.