Banana is a kind of beneficial fruit rich in starch. Sweet and cold, it can clear away heat and moisten intestines and promote gastrointestinal peristalsis, but it is not suitable for diarrhea due to spleen deficiency. According to the principle of "heat is cool", it is most suitable for people who are hot and dry. People with hemorrhoid bleeding and people with hot and restless fetus can eat raw banana meat.

The folk prescription is more effective to treat chronic cough with banana stewed rock sugar; Cook wine with bananas as a diet. Modern medicine suggests that banana can cure hypertension because it is rich in potassium, which can balance the adverse effects of sodium and promote the growth of cells and tissues. Banana can be used to treat constipation because it can promote gastrointestinal peristalsis.

Eating a banana at breakfast, lunch and dinner can provide rich potassium for human body, thus reducing the risk of cerebral thrombosis by about 2 1%.

German researchers say that using bananas can cure depression and emotional anxiety because it can promote the secretion of endorphins in the brain. It can relieve tension, improve work efficiency and reduce fatigue.