The Dadilong is a single-reed gas-sounding instrument of the Buyi nationality. "Dadilong" is a transliteration of Buyi, "Dadi" is a suona, and "long" is a bamboo, and the Chinese translation is a small suona made of bamboo.

When playing Dadilong, hold the tube upright, with the right hand on the bottom, the little finger, ring finger, middle finger, and index finger respectively press one to four holes, the left hand is on the top, the ring finger, middle finger, and index finger press five, six, and eight holes respectively, and the thumb presses the back hole. Mouth reed pipe blowing air drum reed pronunciation. If the barrel tone is g, nine sounds from g-a1 can be issued.

Dadilong's tone is bright and full, with strong penetrating power. Can be used for solo, ensemble or accompaniment. It is deeply loved by the Buyi people. It is a musical instrument played by both young and old. It is often used to play for self-entertainment.