直肠癌是临床上常见的恶性肿瘤,肿瘤切除术是常用的治疗方法,该方法虽然能切除病灶部位,但是手术创伤刺激等会造成机体产生应激反应和炎症反应,再加上患者手术过程中对周围组织的牵拉、切割、挤压等,均会造成机体出现不同程度的损伤~([1-2])。同时,术后应激反应过于强烈 Rectal cancer is a common clinical malignant tumor, tumor resection is a common treatment, although the method can remove the lesion site, but the surgical trauma stimulus will cause the body to produce stress reactions and inflammatory reactions, coupled with the patient during surgery The surrounding tissue traction, cutting, squeezing, etc., will cause different degrees of body damage ~ ([1-2]). At the same time, postoperative stress response is too strong