It is possible to eat bananas after drinking, and eating bananas after drinking is beneficial to the body in the following ways: 1. bananas can timely replenish the potassium ion disorder and ion imbalance in the body, and the state of hypokalemia with weakness around the body, so eating bananas at this time can replenish the blood potassium. 2. bananas are rich in glucose, which will make the blood sugar rise rapidly after eating, so eating bananas after drinking can prevent the symptoms of hypoglycemia. The banana can be attached to a protective film in the gastric mucosa, which can relieve the gastric mucosal erosion and gastric mucosal reflux caused by excessive drinking, so eating bananas after drinking is beneficial to the body.