Degeneration or injury of the lumbar intervertebral disc makes the nucleus pulposus protrude to irritate and compress nerves, with low back pain and radiating lower limb pain as typical symptoms. It may be accompanied by numbness, claudication and numbness in the perineal area and abnormal urination and defecation. 1. Low back pain and radiating lower limb pain are the typical symptoms of the disease, with low back pain first and leg pain later, or even low back and leg pain at the same time, or even only leg pain without low back pain, or low back pain relieved or disappeared after leg pain. In mild cases, the patient can continue daily life, but cannot bend down to perform weight-bearing activities. In severe cases, the patient is bedridden, unable to move to the floor, and the pain is so unbearable that he or she cannot turn over. Mostly stabbing, burning or knife-like pain, often accompanied by numbness, swelling, etc. 2. Numbness. When the diseased disc stimulates the nerve, it will cause numbness and pain in the lower limbs. The numbness is characterized by the distribution of the damaged innervation area. It is commonly found in the lateral calf and foot. 3. Limping. When walking, the trunk is stiff, leaning forward or to one side, and the affected limb is unable to take normal steps and weight-bearing activities. 4. Numbness in the perineal area and abnormal urination and defecation are symptoms of cauda equina damage, which can cause impotence in men and pseudo-incontinence in women. In summary, the main symptoms of lumbar disc herniation include low back pain, lower limb pain, numbness, claudication and numbness in the perineal area and abnormal urination and defecation. Therefore, it is recommended that sedentary and standing people must pay attention to protect the lumbar spine and avoid getting cold and cold to prevent the occurrence of the disease.