1, usually more sunshine, participate in more outdoor activities. Appropriate participation in agricultural production if possible. 2.Eat more food containing sulfur and calcium, such as corn, bamboo shoots, meat and eggs, garlic, onions, kale and other continental vegetables. Because the repair and reconstruction of bones, cartilage and connective tissue to sulfur as raw materials, while sulfur also helps the absorption of calcium. 3, forbidden to take iron or iron-containing multivitamin. Because iron is associated with pain, swelling and joint damage. Alkaloids in tomatoes, potatoes, eggplant, peppers, etc. and tobacco aggravate arthritis symptoms. 4, has suffered from osteoarthritis in the elderly, it is best to live in a sunny room, the temperature and humidity ventilation to avoid joint cold. Lie on a hard bed instead of a soft bed. 5, patients with osteoarthritis of the knee can wear a knee brace if the symptoms are mild, and it is best to use a cane or crutches to reduce weight in heavy cases. Avoid sitting in a chair that is too low, so that it is appropriate to stand up and sit down without weight. When preparing to stand up after sitting for a long time, it is best to use surrounding objects such as tables or chairs to hold a “support” to stand up and reduce the “pressure” on the knee joint.