Inguinal hernia, commonly known as “small intestine gas”, is divided into hiatal hernia, rectal hernia and femoral hernia. It is characterized by the appearance of a lump in the inguinal region of the patient, which varies in size, is painless or painful, is more obvious when standing upright or coughing in the early stage, and may shrink or disappear after lying down. The essence of an inguinal hernia is the protrusion of an intra-abdominal organ from a weak defective area of the abdominal wall, forming a reversible mass. Sometimes, the contents of the hernia can become entrapped, resulting in compression and ischemia of the intestinal canal and other organs, which can lead to intestinal obstruction and intestinal necrosis in severe cases. Therefore, inguinal hernias in adults, once diagnosed, need to be treated promptly. The earliest classical hernia repair, in which the tissues on both sides of the abdominal wall defect were forcibly sutured together, was associated with high postoperative tension, often felt discomfort from wound pulling, and was prone to recurrence, with a recurrence rate of 10% to 30% according to statistics. This procedure has been gradually replaced by tension-free hernia repair with open artificial mesh filling. With the development of technology, it is now possible to repair inguinal hernias laparoscopically, further reducing surgical trauma and recovery time. Transabdominal preperitoneal patch repair (TAPP), patch repair via extraperitoneal route (TEP), intraperitoneal patch repair (IPOM) for incisional and white-line hernias, and pediatric inguinal hernia via laparoscopic high ligation. Both TAPP and TEP can achieve fixation of the patch with firm structural tissues while covering the internal orifice of hiatal hernia, rectal hernia triangle and femoral ring orifice in a reasonable procedure, and are currently the two most important surgical methods for laparoscopic inguinal hernia repair. Indications for surgery: 1. Type I, II, III and IV direct, hiatal and femoral hernias. 2. Bilateral hernias and recurrent hernias: laparoscopic repair can be considered as a priority. The treatment of bilateral hernia does not require additional incisions and allows the discovery of the contralateral “hidden hernia”; the treatment of recurrent hernia can avoid the original surgical path. Treatment advantages: 1. Minimally invasive surgery, small trauma, no scars. 2. Especially suitable for bilateral hernia and recurrent hernia. High success rate (more than 98%) and low recurrence rate. 4. Short hospitalization time, little pain for patients and fast recovery. 5.Less complications, both high efficiency and safety.