When playing the Kuo Shi Nai Yi, the tube body is placed upright, the two hands hold the Kuo Shi Nai Yi, the little finger, ring finger, middle finger, and index finger of the right hand press the first, second, third, and fourth holes of the double tube horizontally, and the little finger, ring finger, middle finger, and index finger of the left hand press the double tube horizontally. The five-, six-, seven-, and eight-hole pipes can be played with a double-pipe reed whistle, which can play the same degree of double tones.

Kuoshi Naiyi, a double-reed gas-sounding instrument of the Uyghur and Uzbek nationalities. Also known as the double-pipe flute, the pipe body is made of reed.