Usually chestnuts sprouted is not edible, so as not to cause diarrhea, nausea, vomiting and other uncomfortable symptoms. When the chestnut sprouting, the crowd to avoid continue to eat, because the sprouted chestnut will contain harmful substances or aflatoxin, consumption may cause diarrhea, nausea and vomiting, abdominal pain and other discomfort symptoms, and even cause food poisoning. At the same time, aflatoxin in food can cause cancer, the crowd will increase the risk of cancer after long-term or large amounts of consumption, should be taken seriously. Every 100 grams of chestnut, rich in 52.0g water, 4.2g protein, 42.2g carbohydrate, 442mg potassium and other nutrients. If people consume sprouted chestnuts, the nutrients contained in chestnuts will be lost. It is recommended that people moderate intake of freshly cooked chestnuts, avoid long-term consumption of large quantities, so as not to aggravate the burden on the gastrointestinal tract. Chestnuts should be stored properly and should not be consumed when they are spoiled.