1, more sunshine, so that the skin vitamin D synthesis increases, which is conducive to the absorption of calcium. 2, moderate exercise, can improve the blood supply to the bones and increase bone density. 3, eat more food containing calcium and protein. Milk and soy products contain more calcium, fish, chicken, beef rich in protein. 4, avoid smoking, alcohol, and drink less strong tea. 5, the elderly should be careful with drugs, such as diuretics, tetracycline, isoniazid, anticancer drugs, prednisone, etc. can affect the metabolism of bone. 6, to prevent all kinds of accidental injuries, especially falls are likely to cause fractures in the wrist, femur, etc.