Bananas are rich in nutrients and have the effect of benefiting the stomach, promoting the circulation of blood and relieving the toxicity of alcohol. In addition, because of their high potassium content, bananas are able to laxative, moisten the lungs and smooth the intestines, so they are often used in life and in clinical practice to treat clinical manifestations of fever and thirst, dry throat and thirst, dry lung and cough, dry intestinal constipation, bleeding hemorrhoids and excessive alcohol consumption, all of which have good conditioning and therapeutic effects. Studies have shown that bananas can help the brain to promote the production of a chemical component called serotonin, which can stimulate the nervous system to bring people a pleasant feeling, and also has an analgesic effect. At the same time, bananas are rich in soluble fiber, often called pectin, which has digestive and gastrointestinal adjustment functions. Bananas contain a chemical substance that can prevent gastric ulcer lesions and promote the regeneration and reproduction of mucous membrane cells in the gastrointestinal tract, which can prevent and treat gastric ulcers. It also has a cholesterol-lowering effect, which is good for coronary heart disease caused by high cholesterol. It also helps to sleep, as it contains amino acids, which have a calming effect on the nerves, so it can play a certain sedative role.