Necrosis of the femoral head diet need to pay attention to the following aspects: 1, limit the use of desserts, stimulating foods, spinach, tomatoes, wild rice, eggplant, potatoes, etc.; 2, limit the consumption of alcohol, strong tea and coffee; 3, limit the use of preservative-containing foods, such as pickled foods, sauerkraut; 4, control body weight, so as not to increase the burden of the femoral head weight. Necrosis of the femoral head patients can be appropriate functional exercise to reduce the weight of the femoral head, such as cycling, swimming and other sports, the early recovery of necrosis of the femoral head is better.