There are no interacting components in dragon fruit and banana, and eating dragon fruit and banana together can replenish the nutrients needed by the body. The main nutrients of dragon fruit are carbohydrates, dietary fiber, vitamins and a variety of trace elements, etc., which can replenish energy for the human body. Bananas are also rich in carbohydrates, a variety of sugars, potassium and other trace elements, can supplement the body’s nutrients. The two cooked together to eat can enjoy the food at the same time, but also can add enough nutrients, for the body to bring benefits. However, care should be taken not to overconsume to avoid causing abdominal pain, diarrhea and other uncomfortable symptoms.