Surgical treatment of lumbar disc herniation is safer, but there are still some risks. Surgery can produce complications such as nerve injury, bleeding, and abdominal organ injury. 1. Nerve injury: Including nerve root, dural sac, cauda equina and other injuries. It is mostly related to the operation level of the operator and the clarity of the vision of the operation area. Symptoms such as lumbago, leg pain, sciatica, abnormal sensation in the saddle area and incontinence can occur. 2. Bleeding: the wound suture is not tight enough, etc. can cause bleeding, hematoma compression of nerves, can cause lumbar and leg pain; compression of the spinal cord, can cause sensory and motor abnormalities in the lower limbs; compression of the cauda equina nerve, can appear incontinence and other symptoms. 3. Abdominal organ injury: such as intestinal injury, can cause intestinal fistula, intestinal bleeding, intestinal perforation and other symptoms, resulting in severe abdominal pain, abdominal distension, abdominal muscle tension and other peritoneal irritation signs, but also blood in the stool, tarry stool and other symptoms.