Yao nationality bamboo tube, also known as bamboo tube qin. It is the Yao nationality's falling body sounding instrument. It is better to choose moso bamboo with a straight body and a thin wall, and decorate the exterior of the body with various patterns.

When playing, the player stands on the side of the tube, holds the upper end of the bamboo tube with both hands, and hits the ground with the bottom of the bamboo tube, making a rhythmic "dongdong" sound. Its pronunciation and volume are directly related to the length, diameter and wall thickness of the bamboo tube. If the bamboo tube is shorter, the diameter of the tube is smaller, and the wall of the tube is thicker, the pronunciation will be higher, and vice versa.
The old bamboo with a straight body and a thin wall has the best pronunciation, bright timbre, strong resonance and good transmission. For folk song and dance accompaniment. In national festivals or festive occasions, several or a dozen bamboo tubes are often played at the same time, the sound is harmonious and the atmosphere is warm.