Sour plum, also known as umeboshi. As a fruit, sour plums are rich in organic acids and minerals, consumption of sour plums can supplement the body with nutrients and have great food value. But as a food, sour plum has no other special effects. The nutritional value of sour plums is relatively high, is very good food, every 100 grams of plums (dry weight) containing 287 calories, 76.6 grams of carbohydrates, 2.3 grams of fat, 6.8 grams of protein, 33.9 grams of fiber, can be supplemented for the human body sufficient nutrients. The acidity of sour plums is high, so it is recommended that patients with chronic gastritis, gastric ulcer, gastroesophageal reflux, etc. control their intake. However, it should be noted that although sour plums are nutritious, they need to be consumed in moderation so as not to cause gastrointestinal discomfort.