Shockwave therapy, magnetic pulse shockwave, and bone regeneration therapy device are some of the ways to restore blood supply in necrosis of the femoral head. Necrosis of the femoral head is often due to the obstacle of blood circulation around the femoral head, resulting in insufficient blood to provide nutrients to the femoral head, which may lead to necrosis of the femoral head. In this case, there are advanced clinical treatments, such as shockwave therapy, magnetic pulse shockwave, bone regeneration instrument to make the blood vessels around the femoral head open, re-establish microcirculation, and thus restore blood supply. It should be noted that bone necrosis, if the time is longer, the degree of bone necrosis is more serious, the establishment of microcirculation in this case, has been unable to make the necrotic tissue regeneration, it is recommended to carry out artificial joint replacement, which can restore the establishment of the joint function, and can prevent the femoral head necrosis led to the local infection, sepsis and other diseases. Restoration of blood supply in patients with femoral head necrosis needs to be based on the degree of femoral head necrosis, according to the condition, under the guidance of physicians to choose the appropriate treatment program.