The diet should be nutritionally complete, without taboos or favoritism. Some foods should be limited, but not avoided. Cow’s milk, goat’s milk and other dairy products and peanuts, chocolate, millet, cheese, milk sugar and other foods containing tyrosine, phenylalanine and tryptophan should be eaten sparingly, because they can produce arthritis-causing mediators prostaglandins, leukotrienes, tyrosine kinase autoantibodies and anti-milk IgE antibodies, which are prone to cause allergies and worsening of pain and recurrence or worsening of pain. Dietary attention: 1, reasonable diet. Pay attention to medium fat, medium calories, low sugar, eat more high calcium food; 2, eat more high protein food; 3, eat more high vitamin food, such as vegetables and fruits.