Plum is warm, sweet and sour, and enters the liver, spleen, lung and large intestine; It has the functions of astringing lung, relieving cough, astringing intestine, relieving diarrhea, calming the mind, promoting salivation, quenching thirst, killing insects, relieving pain and stopping bleeding.

Plum is rich in calcium, magnesium, potassium, sodium, phosphorus, iron, manganese, copper, zinc and other minerals. Among them, the unit content of calcium, phosphorus and money is much higher than other kinds of fruits. In addition, plums contain a very high content of citric acid, accounting for more than 85% of the organic acid content of plums. Other organic acids include malic acid, oxalic acid and succinic acid. The content of protein is more than twice that of strawberries and oranges. It can be said that ebony is extremely rich in nutrition and is an excellent health care fruit.