When the lower limb is raised, the sciatic nerve is stretched, which can aggravate the pain in the hip as well as the lower back. The examination method can let the patient lie flat on the bed, the examiner hold the patient’s ankle with one hand, hold the patient’s knee with the other hand, let the lower limb straighten and lift the leg upward, generally people can lift to 80-90 degrees, if the patient raises the leg to 70 degrees when the lower limb radiating pain, consider the herniated disc compression of the sciatic nerve. You can perform lumbar disc CT or MRI to further clarify, clear disc protrusion after the general need for conservative treatment, you can massage, sleep on a flat bed, if necessary, oral painkillers symptomatic treatment.