Meidu is a single-reed gas-sounding instrument of Kucong people, popular in Honghe Hani and Yi Autonomous Prefecture of Yunnan Province. It is an inseparable folk musical instrument for Kucong young people in their social and love life, and old people often play it for their own amusement.

When playing Meidu, the tube body is placed upright, the lower half of the tube body is held in both hands, and the index finger, middle finger, and ring finger of both hands press the upper and lower three holes respectively. The mouth contains the first reed, and it is played by the cyclic ventilation method.

The pitch of Meidu is not fixed. By moving the rubber band tied to the root of the reed up and down, the length of the effective vibration part of the reed can be changed to change the pitch. Can be played in modulation. Its range of sound range g-a1, including all the semitones.

The pronunciation of Meidu is full and rich, and the tone is deep and soft with the tone of Bau. He is good at playing smooth, subtle and deep tunes, with rich expressiveness and strong local flavor, which can be used for solo or as accompaniment to love songs.

Most of the tunes come from folk folk songs and minor tunes, such as "Dagu Da" and "Yelala".