A Prospective Clinical Trial of Colostomy-replacement Combined With Bio-mesh Placement in the Prevention of SSIH

Inclusion Criteria: Age: 18-75 years old; Patients should have colonic prophylactic stoma and have not received reversal yet; There are no obvious signs of tumor recurrence or metastasis in tumor patients before stoma resection; No serious underlying diseases, can tolerate general anesthesia surgery Preoperative ECOG (Eastern Cooperative Oncology Group) physical status score 0/1; Preoperative ASA (American Society of Anesthesiologists) grade I-III; Without vital organs function failure; All patients and their families signed informed consent before surgery. Exclusion Criteria: Incapacitated persons; With a history of other types of hernia; Those who have had hernia mesh implantation before; Those who are allergic to bio-mesh or their components before; Combined with other surgeries; Severe mental illness; Severe respiratory disease; Severe liver and kidney insufficiency; Those who have absolute contraindications to surgery; Suffering from severe bleeding disorders or obvious abnormal coagulation function; History of unstable angina or myocardial infarction within 6 months; History of cerebral infarction or cerebral hemorrhage within 6 months; Continuous intravenous application of glucocorticoid within 1 month; The patient has participated or is participating in other clinical studies (within 6 months).