Low back pain with hip pain may be related to lumbar dorsal myofasciitis, lumbar disc herniation, ankylosing spondylitis and other reasons. 1. Lumbar dorsal myofasciitis: if sitting or standing for a long period of time may induce lumbar dorsal myofasciitis, due to the lumbar gluteal fascia is in a state of high tension for a long period of time, lumbar pain and buttock pain phenomenon may occur. 2. Herniated lumbar disc: If you suffer from herniated lumbar disc, it may compress the nerve root, which may affect the sciatic nerve, resulting in lumbar pain along with buttock pain. 3. Ankylosing spondylitis: If you suffer from ankylosing spondylitis, it can attack the hip joint, and the inflammatory stimulation can lead to pain in the sacroiliac joints and muscle spasm in the buttocks, which can lead to the symptoms of low back pain and hip pain. It is recommended that people with back pain and hip pain go to a regular hospital in time, to clarify the cause of the disease, and standardized treatment under the guidance of the doctor.