Chestnuts have a certain role in tonifying the kidneys, and it is generally recommended to consume 5-10 pieces per day, not excessively. Chestnut has high nutritional value and is rich in protein, vitamins, minerals, trace elements and other nutrients. The moderate consumption of chestnuts has a certain effect on the maintenance of the kidney organs, with the effect of strengthening the spleen and stomach, warming the kidney yang. In addition to nourishing the kidneys, it also has the effect of promoting metabolism and improving the body’s immune system. In general, it is recommended that patients take 5-10 chestnuts daily to warm the kidneys. Since chestnuts are not easily digestible, too many should not be eaten to avoid accumulation of food. If the patient also has a weak spleen and stomach, he should not take more than 5 chestnuts per day. In addition, it should be noted that chestnut is only one kind of food, and it is not obvious to rely on chestnut alone for kidney tonic, and it should be combined with Chinese medicine.