Whistling is a skill that has existed for a long time in our country. It was called Xiao in ancient times. Since entering the modern society, people have misunderstood Xiao Le's skill, thinking that it is vulgar and difficult to be elegant. They think this is just a "complaint" among the fashionable young people today. This one-sided view is one of the important reasons for Xiao Le's endangerment. In fact, as far as Xiao Yue is concerned, it has the characteristics of easy modulation, wide range, strong penetration, strong expression and no need for any musical instruments. And by practicing whistling music, you can cultivate your sentiment and enhance your sense of music. At the same time, the elegance and beauty of Xiao Le can please the audience and relieve the tension and pressure of modern society. Xiaole also has special health-preserving function, which can enhance the function of human digestive system; Can reduce facial skin wrinkles, and has cosmetic effect; Can slow down the pulse and lower blood pressure; It is also beneficial to correct stuttering and has been widely used in medical treatment. At the same time, Xiao Le is of great significance for maintaining the cultural heritage of the Chinese nation. It is the most direct embodiment of the cultural diversity of the Chinese nation, with outstanding value of demonstrating the cultural creativity of the Chinese nation and the uniqueness, artistry, practicality and aesthetic value of witnessing the living cultural tradition of the Chinese nation. In China's classical poems, Xiao Ye has become a common literary image in classical literary works, which has high literary value.