The most common causes of greater trochanteric bone pain are bursitis, bone fracture, hip dislocation, etc. If the symptoms persist, it is recommended to seek medical treatment in time. 1. Bursitis: Inflammation of the bursa at the greater trochanter is caused by trauma or friction, and pain in the greater trochanter bone occurs when the inflammation flares up. 2. Fracture: If the rotator cuff is subjected to direct or indirect violence, resulting in a fracture of the rotator cuff, it will cause pain in the rotator cuff, as well as localized swelling and activity limitation. 3. Hip dislocation: when the hip joint is dislocated due to various reasons, the femoral head that should be wrapped by the acetabulum is out of its normal position, and pain in the hip as well as the greater trochanter will occur. The causes of pain in the greater trochanter bone are many, and may also be related to osteoarthritis, tumors and other causes, it is recommended to go to the hospital in time to find out the cause of the disease, and carry out targeted treatment.