The flute is a Chinese musical instrument and belongs to the wind music category. The flute is the oldest Han musical instrument discovered so far, and it is also the most representative and ethnically distinctive wind instrument among the Han musical instruments. One of the horizontally blown woodwind instruments commonly used in traditional Chinese music, the Chinese bamboo flute is generally divided into the southern tune flute, the northern bang flute and the alto flute in between.

The flute is often used in Chinese folk music, opera, Chinese folk orchestras, Western symphony orchestras and modern music. It is one of the representative musical instruments of Chinese music. In the national band, the flute is an important wind instrument and is regarded as the representative of national wind music.

Most flutes are made of bamboo, but there are also flutes made of stone, jade and mahogany. In ancient times, there were also bone flutes. However, the best raw material for making flutes is still bamboo, because bamboo flutes have better sound and lower production costs.

The flute is very expressive. It can not only play long and high-pitched melodies, but also express vast and broad moods. It can also play cheerful and gorgeous dance music and graceful minor tunes. It can play colorful notes such as legato staccato, vibrato and portamento; it can also express different emotions; whether it plays a soothing and peaceful melody or a fast and jumping melody, its uniqueness can be appreciated. In addition, the flute is also good at imitating various sounds in nature, bringing the listener into the artistic conception of birds singing, flowers fragrant or mountains and flowing water.