According to analysis, plum pulp contains trace amino acids such as protein, fat, vitamins, aspartic acid, glutamic acid and serine. Every100g of plums still contains13mg of calcium and15mg of phosphorus. Prunus mume can promote the secretion of digestive enzymes and gastric acid, increase gastrointestinal peristalsis, and is a good diet for patients with chronic liver disease. In ancient times, plum juice and wine were used to drink, which was called resident color wine, and was used to nourish the face and prevent heatstroke.