A left inguinal hernia is a mass formed when the patient’s intra-abdominal organs protrude through a defect in the left inguinal region and toward the body surface. The causes of left-sided inguinal hernia include the patient’s sphincter not closed, inguinal dysplasia, advanced age, poor growth, poor nutritional metabolism, history of lower abdominal surgery, long-term smoking, obesity, constipation, pregnancy, abdominal tumors, ascites, etc. are all predisposing factors. The patient’s mass may be accompanied by a sensation of swelling and occasionally by localized distension or tenderness. Left-sided inguinal hernia can only be cured by surgical treatment, which includes traditional hernia repair, tension-free hernia repair, and laparoscopic hernia repair. Complications such as incision pain and infection may occur after surgery, so if there is any discomfort, go to the hospital for follow-up.