Plum (Prunus salicina Lindl.) is a deciduous tree in the Rosaceae family, native to China. The roots, bark, leaves, and fruit of plum can be used as medicine. The fruit used as medicine is the traditional Chinese medicine plum, which has the effects of clearing heat and promote the secretion of saliva or body fluid. Plum fruit is beautiful and vibrant, with delicate flesh texture and a pleasant sour and sweet taste. It is rich in protein, vitamin C, calcium, phosphorus and other elements. It can not only be eaten fresh, but also processed into canned goods, dried fruits and other products....