Bananas do not belong to the list of “hairy substances”. Fattening food is a folk concept, which refers to the food that will aggravate the existing diseases or induce certain diseases, and banana does not have such a role, so banana does not belong to fattening food. Banana is a kind of fruit with high nutritional value, each 100g of banana mainly contains 22g of carbohydrates, potassium 0.256g, carbohydrates can provide energy, potassium is an essential element to maintain the balance of water and electrolytes, bananas can be used as a good source of carbohydrates, potassium, which can help to replenish the body with nutrients, and maintain the body’s normal physiological functions. Normally, when consuming bananas, you need to control the intake and avoid eating too much at one time, so as not to increase the burden on the gastrointestinal tract, resulting in abdominal discomfort. In addition, if you are allergic to bananas should be prohibited from eating, so as to avoid rashes, skin itching and other allergic reactions. Diabetic patients need to properly control the amount of consumption.