The purine content of river crab is relatively high, containing about 147mg of purine per 100g of river crab, which is categorized as medium purine food. According to the purine content of the ingredients, the ingredients can be divided into high purine, medium purine, low purine food three categories, medium purine food is generally refers to every 100 grams of ingredients in the purine content in the 50-150 mg of ingredients. So gout patients are advised not to eat river crabs. For gout patients, dietary control is very important, in addition to river crab, do not eat other high purine-containing foods, such as animal liver, seafood, broth, soy, oysters and other such foods; gout patients can eat cheese, eggs, fruits, refined cereals, vegetables, cereal, and other low purine foods.