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).