The five-month flute is a musical instrument called Pai Yao, a branch of the Yao ethnic group. Yao language means cutting bamboo to make flute and blowing flute in May, hence the name.

The body of the five-month flute is made of bamboo, mostly made of bamboo tubes with no knots in the middle, transparent at both ends, and slightly thicker at the upper end. centimeter. The upper end of the pipe head is provided with a wooden plug, and one side of the wooden plug is cut off to form a half-moon mouthpiece. There is a sound hole on the back of the tube body and below the air inlet channel 4 cm away from the head of the tube. There are six circular sound holes in the middle of the front of the tube body, and three sound holes at the bottom.