Mume can improve gastrointestinal function. Mume can maintain normal gastrointestinal function, help the body digest and absorb, and prevent the secretion of gastric juice. Mume is rich in organic acids, which can stimulate the intestine and activate intestinal peristalsis. Plum has excellent intestinal function and can effectively eliminate secretions. Therefore, as long as you drink a cup of sour plum juice in the morning and evening, you will naturally have regular defecation and make your stool unobstructed.