There is no special need for diet after femoral head necrosis replacement surgery. It is recommended to have a balanced diet and increase foods with high content of protein, vitamin and fiber. 1. Protein: for example, milk, eggs, fish, duck, chicken, soybeans, etc. These foods are rich in protein, and also contain amino acids and calcium, which are more suitable for post-surgical consumption. 2. Vitamins: spinach, cucumber, apples, strawberries, bananas, pineapple, grapes, etc., mainly rich in vitamin C, vitamin A, vitamin B, etc., appropriate supplementation can improve the human body, suitable for postoperative patients to eat. 3. Fiber: such as rice, black rice, red beans, oats, buckwheat, etc., can be used to make porridge to eat, relatively light, easy to digest, but also to supplement the body’s fiber, suitable for postoperative patients to eat. After necrosis of the femoral head surgery, in addition to pay attention to diet, but also to do a good job of local maintenance care, to reduce the risk of secondary infection. After surgery, patients should go to the hospital for regular checkups to understand the recovery situation, and if the recovery is not good, the treatment program should be adjusted in a timely manner.