Influence of Arrangement of Small Intestine Order on the Recovery of Bowel Function After Laparoscopic Colorectal Surgery

Inclusion Criteria: * Pathologically confirmed colorectal cancer, patients undergoing colon cancer or radical resection of high rectal cancer； * Tumor Stage (TNM): I-III； * Age: \>18 years old; \<80 years old; * ASA: I-III; * Agree and sign the informed consent form. Exclusion Criteria: * Stoma patients； * Patients with preoperative intestinal obstruction； * Constipation patients (More than three days before the last bowel movement)； * Combined other organ resection patients； * Stroke or spinal cord injury patients； * Long-term opioid use patients； * Patients with a history of previous abdominal surgery； * Patients refused entry into the trial；