Banana is a nutritious fruit, and does not have the medicinal value of drugs. Banana is the fruit of plantain, which contains 89 kcal of energy, 22.84 grams of carbohydrates and 358 milligrams of potassium and other nutrients per 100 grams, belonging to the higher carbohydrate fruits, moderate consumption can provide the body with the energy and nutrients needed. Due to the limited content of active substances in bananas, they do not have the medicinal value of drugs. People who are allergic to bananas should not eat bananas, so as not to induce allergic symptoms, such as skin itching, rashes and so on. Although the nutritional value of bananas is high, they should not be consumed too much at one time to avoid abdominal pain, diarrhea and other indigestion. Eating bananas can also be combined with foods rich in vitamins and high protein to ensure a balanced food nutrition.