Natto is rich in protein, energy, carbohydrates, fat, crude fiber and a variety of minerals, vitamins and amino acids, which can provide nutrients to the body and is beneficial to health. Natto is a relatively common food, contains more nutrients, usually per 100 grams of natto contains 19.4 grams of protein, 11 kilocalories of energy, 12.68 grams of carbohydrates, 11 grams of fat, 5.4 grams of crude fiber, 217 milligrams of calcium, 729 milligrams of potassium, 8.6 milligrams of iron, 3.03 milligrams of zinc, 82.28 milligrams of flavonoids, 57 milligrams of choline. Eating natto appropriately on a regular basis can provide a variety of nutrients needed by the body, which will be beneficial to health. However, it is not advisable to eat too much natto, as it contains high purine, which may increase the level of uric acid and induce gout if consumed too often. It is recommended to pay attention to the nutritional balance, do not favoritism picky eating, if the body is not feeling well, timely to the regular hospital consultation, so as not to delay the condition.