Blueberry has a high health value and is one of the top five healthy fruits recommended by the World Food Organization. The anthocyanin content of blueberries is the highest among all fruits and vegetables. The most abundant part of anthocyanins in blueberries is its unique purple peel. Lingyuan blueberry peel is blue-purple, with a layer of white fruit powder on the outside. The flesh is delicate, the fruit is rich, the taste is excellent, and the nutrition is rich. It is known as the “fruit of beauty” and has the reputation of “fruit queen”.