1. The side effects of dark plum, such as gastrointestinal symptoms, causing excessive gastric acid secretion and causing nausea, vomiting, abdominal pain, abdominal distension, diarrhea and other digestive system symptoms.

2. Mume is a kind of food that can be used both as medicine and food. It belongs to the liver, spleen, lung and large intestine meridian. It has the functions of astringing the intestine, astringing the lung, promoting fluid production, calming the stomach, and supplementing vitamins.

3. Mume may also cause some damage to teeth, and it is not recommended for pregnant women to eat Mume. Especially when the patient has digestive symptoms caused by excessive gastric acid secretion, it is not recommended to eat dark plum, which may aggravate the patient's condition.