Incisional hernia repair has been steadily promoted in recent years. Years of experience and clinical studies have shown that laparoscopic intraperitoneal onlay mesh (IPOM) can effectively close the defect and reduce recurrence, so it is an ideal method for the treatment of incisional hernia. Standardization of operation procedure for laparoscopic IPOM repair of incisional hernia is urgently needed. After years of training practice and clinical comparative analyses, our team found that the "seven-step method" follows the learning pattern, is suitable for the operator to master, meanwhile, it can reduce postoperative complications. Therefore, the Hernia and Abdominal Wall Surgeons Branch of Guangdong Medical Doctor Association organized the compilation of the first edition of the "Guidelines for performing laparoscopic IPOM repair of incision hernia by seven-step method", which aims to regularize and standardize the operation of laparoscopic IPOM repair in the field of hernia and abdominal wall surgery, and to provide help for standardizing the repair operation and shortening the learning curve of the hernia and abdominal wall surgeons as well as reducing postoperative complications.