The most common cause of pain at the leg and hip joints is chronic strain or acute strain of the local muscles.1. Local inflammation of the fascia, due to the presence of injury and inflammation, stimulates the surrounding nerves to produce painful symptoms.2. Lumbar disc herniation, due to lumbar disc herniation compressing the nerve roots of the sciatic nerve in the lower extremities, resulting in painful symptoms of abnormal sensation in the area of compression, which can also be accompanied by lumbago and radiating pain in the entire lower extremity.3. 3, diseases around the hip joint, such as hip synovitis, hip osteonecrosis may also occur when moving or standing, the pain of the leg and hip joint.