Calcium supplementation methods mainly include ensuring a reasonable diet, choosing more calcium-containing food intake, such as milk, etc., and oral calcium supplements such as calcium carbonate, as well as the need for appropriate vitamin D supplementation and appropriate exercise. Under the premise of a balanced diet, choose foods with high calcium content, such as milk, soy products, green leafy vegetables. Dairy products contain a large amount of calcium, generally every 100ml of pure cow’s milk can have 100mg of calcium content, and the absorption rate is relatively high. However, the amount of calcium in food is limited, if you experience a serious calcium deficiency, it is recommended to seek medical attention in a timely manner offline, under the guidance of a physician using oral calcium supplements, such as calcium carbonate, for supplementation. Calcium supplementation at the same time recommended to supplement vitamin D, appropriate sun exposure, helps to promote the absorption of calcium, so as to achieve the purpose of calcium supplementation, but to avoid exposure to the sun. Normally, you should maintain a balanced and diversified diet to ensure adequate intake of nutrients, and also need to correct the situation of picky eating and partiality.