The B foot flute is the oldest Han nationality musical instrument discovered so far, and the B foot flute is also the most representative and ethnically characteristic wind instrument among the Han nationality musical instruments. One of the commonly used horizontal blowing woodwind instruments in traditional Chinese music, the bamboo flute in my country, is generally divided into southern tune flute, northern bang flute and alto flute in between. The range can generally reach two octaves and two more.

The B foot flute is often used in Chinese folk music, opera, Chinese national orchestra, western symphony orchestra and modern music, and is one of the representative instruments of Chinese music. In the national band, the B foot flute is a pivotal wind instrument and is regarded as the representative of the national wind wind.
Most flutes are made of bamboo, but there are also flutes made of stone flutes, jade flutes, and mahogany. In ancient times, there were bone flutes. However, the best raw material for making flutes is still bamboo, because bamboo flutes have better sound effects and lower production costs.
There are many kinds of materials for making bamboo flutes. Among them, there are many types of bamboo, such as Qi bamboo, bitter bamboo, purple bamboo, white bamboo, and Xiangfei bamboo. There are also many other flutes, such as mahogany, sandalwood, ivory, serpentine jade, silver, synthetic resin, copper and iron.
The blow hole is the first hole at the left end of the flute body. The B foot flute can be pronounced, which is produced by pouring air into the flute tube through the blowing hole, causing the air column in the tube to be vibrated. The membrane hole is the second hole at the left end of the flute body. Mainly used to stick flute film. The flute film plays a role in changing the timbre here. The flute has no membrane holes and can be played, but the unique sound of the flute membrane cannot be obtained. There are six sound holes (finger holes). When these sound holes are opened and closed separately, the B flute can emit different sounds. Auxiliary sound holes The two holes at the bottom of the fundamental sound hole can be used to adjust the treble, beautify the tone, increase the volume, and can also be used for floating ears.