Restrict food purine intake, prevent and reduce the acute attack of gout, avoid the prolongation of the acute attack period, reduce the deposition of uric acid salts in the body, prevent the formation of uric acid stones, and reduce the application of anti-uric acid drugs, thus reducing side effects. Principles: ① Maintain ideal body weight, obese patients should lose weight. ② Restrict high purine, high protein foods. Avoid: soy products, spinach, brinjal, MSG, wine, vinegar, animal offal, seafood, spicy stimulation, etc. ③Encourage the selection of alkaline foods such as: vegetables, potatoes, winter melon, sweet potatoes, milk (skim milk powder), eggs (one per day), fruits (apricots, pears, apples, oranges, watermelon). ④Keep urine volume abundant. Daily fluid intake: 2500-3000ml. Beverages: boiled water, light tea water, mineral water, soft drinks, fruit juice are appropriate, limit strong tea and coffee.