Among natural foods, milk and milk products, soybeans and soy products are ideal sources of calcium. In addition, fish and shrimp, nuts and other foods contain more calcium, moderate consumption of osteoporosis prevention has certain benefits, but has occurred in osteoporosis, hypocalcemia and other diseases of the population, need to eat calcium preparations and other ways to supplement calcium treatment, with dietary therapy to alleviate the symptoms of calcium deficiency: 1, milk and dairy products: dairy food contains a large amount of protein and calcium, is a supplemental calcium It is a good source of calcium. However, people who are lactose intolerant should choose milk and dairy products with zero lactose to avoid the impact on the gastrointestinal tract. 2. Soybeans and soy products: mainly soybeans, black beans and other beans, and soy products such as tofu, soy milk, dried beans and soy skin contain more calcium and can be eaten in moderation by people with calcium deficiency. 3. Fish and shrimp: grass carp, crucian carp, sardines, shrimp, oysters, shrimp skin, dried fish, etc. 4, nuts: hazelnuts, almonds, walnuts, chestnuts, peanuts and other nuts also contain more calcium, moderate consumption of calcium also has certain benefits; 5, other: spinach, celery, cabbage, mustard, mushrooms, fungus, radish, nori, kelp and other vegetables, as well as apples, bananas, grapefruit, figs and other fruits also contain more Calcium can also be consumed in moderation, but the digestive absorption rate is low and is generally not used as a major food source of calcium. The absorption of calcium also requires the participation of vitamin D. Therefore, it is necessary to consume foods rich in vitamin D, such as egg yolk and animal liver, or to enhance calcium absorption through sunlight exposure.