Dandong chestnut is famous for its high quality. Its fruit is large, its color is white, its taste is good, it is not cracked, it is easy to process, and its comprehensive value is high. Its water content is about 40%, protein contains 5.7%~10.7%, fat%~7.4 %, starch is about 50%, and contains vitamin A, vitamin B1, vitamin B2, vitamin C and various minerals such as phosphorus, potassium, magnesium, iron, zinc and boron.