Royal banana, also known as Thai banana, is very sweet in nature and taste. The heat of Thailand in cold regions is 64 calories/100g (about 1/2 bananas of medium size). There are nutrients such as sugar, protein and pectin, minerals such as potassium, calcium, phosphorus and iron, vitamins A, B, C, E and F, etc. , almost no cholesterol. Traditional Chinese medicine emphasizes that bananas have the effects of clearing away heat, detoxifying and moistening intestines, and can cure fever, polydipsia, constipation and hemorrhoid bleeding. Modern medical research shows that eating bananas for a long time can lower blood pressure and prevent stroke. Experiments in Japan have proved that eating bananas can enhance immunity. German psychologists have also found that eating bananas in a timely and appropriate amount can relieve depression and make people feel happy. Selection: choose the one with golden skin color, inconspicuous outer edge, dull body thickness and smooth and fruity tail. Cleaning: Even bananas should be washed repeatedly with clear water to remove the residual pesticides on the peel, which is safe to eat.