When playing the bolu, place the tube upright, hold the bolu with both hands, the right hand is at the bottom, the ring finger, middle finger, and index finger are on the first, second, and third holes, and the left hand is on the top, and the fourth, fifth, and sixth holes are on the ring finger, middle finger, and index finger. , the thumb presses the back hole. The mouth contains the first reed, and it is played by the cyclic ventilation method, which can make the music continuous.

Bolu tube body is made of bamboo, the tube length is 40 cm, the upper end is closed with a bamboo joint, the lower end is open, the outer diameter is 1.8 cm, and the inner diameter is 1.2 cm.