The wuyuexiao (pinyin: wǔ yuè xiāo) is a musical instrument of the Yao nationality branch, which is popular in Liannan Yao Autonomous County, Guangdong Province.

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. There is a cork at the upper end of the pipe head, and one side of the cork is cut off to form a half-moon-shaped mouthpiece. There is a sound hole on the back of the tube body and below the air inlet 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.

The tone of Mayxiao's flat blow is soft and graceful, while the super blow tone is thin and sharp. Often used for solo. The playing technique is the same as that of the general flute, and he is good at playing beautiful and lyrical tunes.

The May Xiao solo pieces include "May Song", "May Bachelor Song" and "December Song".