The aim of nutritional therapy is to effectively prevent and treat spontaneous fractures through dietary supplementation of calcium and vitamin D, etc. Adequate and reasonable nutrient intake is important to maintain bone health. Adjusting the dietary structure and intake of various nutrients can prevent and slow down the occurrence of spontaneous fractures to a certain extent. Energy supply is compatible with individual physiological needs and the amount of protein is moderate It is generally considered appropriate for healthy adults to consume 1.0g/kg of protein daily, and individual elderly people can reach 1.2~1.5g/kg daily. Enhance calcium nutrition and scientific calcium supplementation At present, the efficacy of vitamin D alone in preventing osteoporotic fractures is unclear, but adequate calcium and vitamin D supplementation in the diet can reverse age related hyperthyroidism, increase bone density, and thus reduce the risk of falls and osteoporotic fractures. Bone growth and metabolism are influenced by a variety of vitamins, most closely related to vitamins D, C and A. Dietary preparation and culinary processing Dietary factors that interfere with calcium absorption should be eliminated and avoided as much as possible.