There are many causes of femoral head pain: 1, femoral head necrosis, is a common cause of femoral head pain, early manifestation of soreness, swelling, pain, radiating to the inner thigh, some patients will have pain in the hip, aggravated by activity, reduced after rest. Subsequently, the symptoms continue to worsen, the pain is more intense, the patient dare not walk, need to carry out an MRI check to confirm the diagnosis. 2, hip degenerative arthritis, mostly seen in the elderly, mainly manifested as hip pain press pain, squatting activity is limited, through the film can be diagnosed, after the diagnosis is recommended for physical therapy, such as baking microwave, with joint cartilage saturated drugs, such as glucosamine sulfate capsules. 3, soft tissue diseases around the hip joint, such as synovitis, the onset is very urgent, the hip joint does not dare to move, especially do not dare to do the lower limb internal rotation and retraction movements, bed rest can be significantly reduced.