The cause of femoral head necrosis is obviously related to the dosage of hormones and the time of hormone application, which is proved through experiments and clinical observation, and the same dosage of hormones and the same time are also divided into different personal constitution. cause necrosis of the femoral head. If hormones cause femoral head necrosis, the main consideration is that they affect lipid metabolism and blood circulation in the femoral head, causing abnormal lipid metabolism in the blood vessels, thus causing ischemic femoral head necrosis.