Lumbar disc herniation can cause abdominal tightness. Lumbar disc herniation is a common disease in daily life, which usually manifests as pain in the lower back, but when the lumbar disc herniation presses on the nerves, numbness and weakness of the lower limbs and tightness in the abdomen will also appear accordingly. When the above symptoms occur, it is recommended to take conservative treatment first, such as bed rest, changing bad posture, acupuncture, physiotherapy, massage, etc., and can also be combined with nutritive drugs such as methylcobalamin, vitamin B12, etc.. If the above symptoms are not effective after conservative treatment, it is recommended to consult a doctor in time, and if necessary, to carry out surgical treatment. The above drugs should be used in a standardized and reasonable manner under the guidance of professional physicians and pharmacists.