2. Femoral head necrosis: The original therapy of femoral head necrosis can activate and grow the residual blood supply of femoral head necrosis in a short time, establish a large number of collateral circulation to completely improve the ischemic condition of femoral head, activate the growth of trabecular bone and reshape bone fiber at the same time, accelerate the repair of necrotic bone, accelerate the formation of new bone, and gradually peristalsis to replace necrotic bone tissue, finally achieving the purpose of treatment, avoiding the shortcomings of long course of treatment and poor curative effect of traditional therapy, and avoiding the trauma and high medical expenses caused by surgery.