Femoral head necrosis prevention Femoral head necrosis is a very difficult disease to treat, is also considered a common disease in orthopedic diseases, the harm to patients is relatively large, so do a good job of prevention of femoral head necrosis is very important. The prevention of femoral head necrosis: 1, to prevent the occurrence of this disease, we must change the bad habits of daily life, such as smoking, drinking alcohol and so on. To prevent the poisoning of the body by alcohol, triggering this disease. 2, diet: to prevent the occurrence of this disease, the first is not to eat too much spicy food, can not drink too much alcohol, and can not eat hormonal drugs, but also to increase the intake of calcium, eat more fresh fruits and vegetables, frequent sun exposure, not excessive weight bearing, regular exercise, etc., to prevent this disease is helpful. 3.For patients with femoral neck fracture, strong internal fixation should be used, and also bone grafting with vascularized bone flap head should be used to promote femoral neck healing, increase blood flow to the head, prevent femoral necrosis, regular postoperative checkups, and appropriate calcium supplements to prevent ischemic necrosis of the femoral head. 4. If hormonal drugs must be used because of the treatment of the disease, then the patient should do what the doctor asks, and the dosage should be appropriate, not to do it without authorization. At the same time, some vitamin D, calcium and vasodilator drugs should also be used, remember not to abuse hormonal drugs. 5, occupational factors: because of the occupational relationship of people, such as, aerial pilots, divers, etc. to do a good job early prevention function, if it has been confirmed that the disease, then we should promptly treatment and change the type of work.