The pain on the left side of the female hip bone may be related to the following causes: 1. Ischemic necrosis of the femoral head may exist. If a woman has this disease on her left side, she may have pain on the inside of the hip joint, at the root of the thigh, or around the knee joint, or in the lumbosacral area. 2. There may be a strain on the muscles and tendons here, such as when the patient is doing a wide range of activities involving the hip joint, such as dancing, which may cause a strain on the muscles and tendons here and lead to pain. 3. swelling. If there is inflammation or infection around the inguinal lymph nodes, the lymph nodes may become enlarged and cause pain. 4. Pain in this area may also be caused by hernia in women, such as inguinal hernia and femoral hernia, which can lead to pain here.