Dadilong (pinyin: dà dí lóng), a single-reed air-sounding instrument of the Buyi nationality, is popular among the Buyi people of the ancient sheep, Daihua, Muhua, Lushan and Anshun areas in Changshun County, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province. Autonomous County and other places.

Dadilong is a transliteration of Buyi, "Dadi" is a suona, "long" is a bamboo, and the Chinese translation is a small suona made of bamboo.

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.