When the amount of bone salt is low, you can choose the following ways to supplement: 1, food supplement: low bone salt should eat more high calcium food, such as soy, milk, dairy products, etc., lean meat food, such as chicken breast, beef, lamb, you can also eat some deep-sea fish, shrimp, shrimp skin, etc.. These foods are rich in calcium, which can promote the deposition of calcium salts in the bone parts and increase the content of bone salts in the bones. 2, drug supplementation: oral calcium carbonate granules or calcium tablets, which can supplement the body’s basic calcium content. You can take active vitamin D3 tablets, active vitamin D3 can promote the reabsorption of calcium ions in the small intestine area, increasing the use of calcium, while more sunlight can also help the skin synthesis of active vitamin D to increase the absorption of calcium.