Lumbar disc herniation causes pain in the hip bone for the following two reasons: 1, disc herniation is generally accompanied by weakness of the lumbar muscles or lumbar muscle strain, after strain, cold or poor posture, weak lumbar muscles will produce pain in the lumbosacral, lower back and hip. 2, lumbar disc herniation, nucleus pulposus protrusion, compression of nerve roots, can cause pain in the back of the thigh, lateral and front of the thigh, will affect the hip bone . The pain in the thigh, the posterior hip muscle and the pain in the lower back are related to the nerve root stimulation, which can cause discomfort in the crotch bone, and can also affect the movement of the hip joint across the bone. Treatment should be noted, to exclude the crotch pain is caused by synovitis, etc., but also need to pay attention to the treatment of lumbar muscle strain and lumbar disc herniation, comprehensive treatment to be effective.