According to the query have come to the doctor's network learned that the sugar fried chestnuts contain water and sugar, preservation of chestnuts will be placed in a flat spread, and ventilation preservation, in the ordinary room temperature can be preserved for about 3 days, the room temperature in the winter or placed in the refrigerator can be preserved for 5 days, preservation of the case without deterioration can be eaten again. Because the nutritional composition of the fried chestnuts itself will not change, will not have a greater impact on the human body.