Disease analysis: Sugarcane, pitaya, mango, pear, banana, peach, grape, papaya, pineapple, watermelon, yacon, cucumber, grapefruit and apple are all fruits that are not easy to get angry. However, if there is fire, you can eat some fruits that can reduce fire, such as pears and apples. People with excess heat constitution are often red-faced, thirsty, irritable and constipated, so they can eat more cool fruits, such as watermelon and pear. However, you can't eat more cold fruits, otherwise it will do harm to your body.