When Sunai is playing, the body of the pipe is placed upright, the right hand presses the four holes (the thumb presses the rear hole), the left hand presses the four holes, the mouth contains the mouthpiece, the air enters from the airway, and impacts the oblique sheet of the whistle to stimulate the air column in the pipe. Vibration pronunciation. The barrel sound is pronounced a1 sound, using flat blowing or super blowing, and the range reaches two octaves.

Sunaiyi's tube body is made of wood, mostly made of locally grown apple wood or apricot wood. The upper part is thicker and the lower part is thin.