Prune is a kind of plum, belongs to the Rosaceae apricot genus plum, is a subtropical fruit tree specialties, its fruit is mostly elliptical partial elongated shape, the taste is mainly sweet, with a slight sourness, the skin also has a hint of astringent taste, near the kernel of the fruit is sweeter, the main nutrients are concentrated in the anthocyanins on its skin as well as in the flesh of vitamin A, and the content of other nutrients is not high.

China's prunes are mainly imported, the pot is currently planted less, its main origin in the United States, California, southern Australia, central Chile and France's southwest. Prunes are cool fruits. Very suitable for summer heat consumption, with the role of clearing heat and avoiding summer heat, on the internal fire caused by inflammation of mouth ulcers and so on also has a therapeutic effect, suitable for people with a hot constitution to eat.