Xiao is one of the ancient musical instruments with thousands of years' history in China, also known as Xiao. Its shape is as follows: the edge of the bamboo joint with closed upper end has blowholes, and the pipe body has 6 finger holes, the front 5 holes and the back 1 hole, with 2 pairs of sound holes under it and an open pipe at the bottom. According to legend, this musical instrument originated from the Qiang nationality. The most commonly used flute is in G key, which can play G, D, C, F and B flat, and the range is D key 1-e key 1. The flute is small in size and soft, sweet and elegant in tone. Suitable for solo or ensemble. Solo tracks include Partridge, On the Dressing Table, Liu, etc. Piano and flute ensembles include Plum Blossom and Pingsha Wild Goose. Because of its moving timbre and elegant charm, it has always been sung by poets and poets, and is also loved by the broad masses of the people. It is widely used in many folk ensembles such as poetry accompaniment, piano and flute ensemble. Xiao only entered the music stage as a solo instrument in recent years.