You can eat both in summer, depending on your physique. From a nutritional point of view, bananas will be milder and warmer, which is more suitable for the elderly or people with constipation. However, from the perspective of slimming and detoxification, bananas are more suitable for people who lose weight and should be more effective. Eating bananas has a certain laxative effect, but it is only suitable for people with different constitutions.