1.What is inguinal hernia The inguinal region (the medial area at the root of the thigh, prominent reducible swelling, more common in men than women, the swelling may protrude into the scrotum. It is the most common type of hernia in clinical practice. 2, causes of inguinal hernia 1, anatomical features: the inguinal region is a relatively weak area of the abdominal wall, the male spermatic cord structure and the female uterine round ligament pass through this region. 2, the age factor, with age the strength of the abdominal wall decreases. 3, constipation, heavy cough, weight bearing and other triggering factors to increase intra-abdominal pressure. 3.When surgery is needed 1.Elective surgery: It is recommended to arrange for inguinal hernia as soon as possible after the diagnosis is confirmed. 2.Emergency surgery is needed if the following conditions are combined Intestinal obstruction: the intestinal tube enters the hernia sac causing abdominal pain, nausea, vomiting and other symptoms. Intestinal strangulation: the intestinal canal shows ischemic symptoms. Early surgical treatment can avoid the above serious complications. 4.What kinds of surgical methods are available 1.open surgery 2.laparoscopic surgery Both of them have their own advantages and disadvantages and need to be selected individually. 5, what are the complications of surgery 1, hematoma or seroma, most of which can be self-absorbed. 2, chronic pain, numbness: can be treated symptomatically. 3.Recurrence. 6.Recovery and precautions after surgery 1.Reasonable diet, keep the bowel movement smooth. 2, avoid premature exercise, weight bearing and other conditions that increase intra-abdominal pressure. 3.Generally, light work can be resumed after two weeks, and full recovery after six weeks.