According to the query Connected Health, boiled full chestnuts, boiled chestnut kernels, fried full chestnuts or chestnut kernels, can be packed in a sealed plastic bag, and so the temperature is reduced to room temperature, it can be placed in the refrigerator freezer layer preservation, due to the cooked chestnuts have been through the stage of high-temperature sterilization, the preservation of its preservation time than the direct freezing of the longer than 3 months to put More than the time, as long as the chestnuts after thawing did not change flavor and deterioration can continue to eat.