There are many clinical causes of crotch pain in women, such as local muscle strain caused by more activity during the day will produce crotch pain, pay attention to rest and protection, local heat will gradually recover. It may also be a gynecological disease that can also cause pain in the crotch bone of the patient. If the patient has osteonecrosis of the femoral head, it may also cause pain in the hip bone, and it is necessary to conduct an MRI of the hip joint to detect early osteonecrosis of the femoral head. If it is caused by osteonecrosis of the femoral head, treatment should be carried out as early as possible to prolong the life of the femoral head and slow down the process of osteonecrosis, such as the need for crutches to move around and reduce weight bearing, and with hyperbaric oxygen therapy or borehole decompression surgery.