Lumbar herniation sciatica and leg weakness can be treated with physical therapy, medication and surgery depending on the severity of the condition. 1. Physical therapy: lumbar disc herniation presses on the sciatic nerve, which can easily cause weakness and numbness in the lower limbs. If the herniation is not serious, lumbar traction can be carried out to reduce the stimulation of the sciatic nerve, and red light therapy can be carried out to alleviate the local pain. 2. Drug treatment: If the lumbar disc herniation is mild, you can follow the doctor’s instructions to take non-steroidal drugs, such as celecoxib to relieve pain, and when there is nerve edema, you can also use mannitol to relieve edema. 3. Surgery: If the lumbar disc herniation seriously compresses the sciatic nerve, timely surgical treatment is needed, and according to the patient’s condition, you can choose nucleus pulposus removal, open surgery and so on. Lumbar herniation sciatica leg weakness should be timely to the hospital for X-ray examination, by the doctor to fully assess the patient, choose the appropriate treatment, the patient usually should maintain good sitting posture, develop good habits, avoid long standing, sedentary.