Plums are a common fruit, rich in vitamins, minerals, dietary fiber. But plums can not be eaten, it is recommended that no more than 5 a day, too much consumption may lead to the following problems: 1, damage to the spleen and stomach: plums contain more fruit acids, excessive consumption is easy to stimulate the secretion of gastric acid and gastric digestive enzymes, damage to the gastric mucosa caused by stomach discomfort, the impact on the digestive function of the gastrointestinal tract, resulting in stomach acid reflux or stomach bloating, stomach pain, abdominal pain, diarrhea symptoms; at the same time itself too much stomach acid, stomach ulcers, weak spleen and stomach should avoid eating too many plums to avoid aggravating the condition; 2, damage to the teeth: plums are a common fruit. People with stomach ulcers and weak spleen and stomach should avoid eating too many plums to avoid aggravating the condition; 2, damage teeth: plums contain more fruit acids, long-term excessive consumption of plums may make the acid stay in the mouth for a long time, and even form an acidic oral environment, which not only increases the risk of dental caries, but also may damage tooth enamel; and people with damaged tooth enamel will also suffer from toothache because of the fruit acids after eating too many plums. After consuming too many plums, people with damaged enamel will have toothache and other symptoms due to the stimulation of fruit acid. Therefore, we remind you to rinse your mouth in time after eating plums. In addition, patients with underlying diseases such as diabetes should eat plums and other fruits with high sugar content in a controlled manner to avoid drastic changes in blood sugar and aggravation of the disease.