2. Because it is white, it has a certain clearing effect. According to the dietotherapy theory of traditional Chinese medicine, it should be the function of clearing lung fire. At the same time, it can play a role in relaxing the bowels. It has an auxiliary effect on constipation caused by excessive stomach fire. In the theory of traditional Chinese medicine, Shu Fei and large intestine are the difference between exterior and interior, so bananas are food for clearing away lung heat and reducing fire. Theoretically, they moisten the intestines and relax the bowels, and also have a certain effect of reducing fire. Therefore, eating bananas is reducing fire, not getting angry, which has a certain auxiliary effect on clearing lung fire. But bananas are not drugs after all. In daily use, bananas are mostly used to reduce fire, and we can't rely solely on bananas.