1, usually drink milk (a small number of times), more sunshine, if necessary, calcium supplements. 2, eat more sulfur-containing foods, such as asparagus, eggs, garlic, onions, Brussels sprouts and cabbage. Because the repair and reconstruction of bones, cartilage and connective tissues have to use sulfur as raw material, and sulfur also helps the absorption of calcium. 3, eat more food containing histidine, such as rice, wheat and rye. Histidine is good for removing excess metals from the body. Eat more foods rich in carotenoids, flavonoids, vitamins C and E and sulfur compounds. 4.Make sure you eat foods rich in vitamins such as flaxseed, rice bran and oat bran every day. 5. Abstain from taking iron or iron-containing multivitamins. Because iron is associated with pain, swelling and joint damage. The alkaloids in eggplant vegetables, such as tomatoes, potatoes, eggplant and peppers, and tobacco can make arthritis symptoms worse.