The double-pipe Dong flute (pinyin: shuāng guǎn dòng dí), a breath-breathing instrument of the Dong nationality, has been used in professional art performance groups.

In 1977, Zeng Duke of the Cultural and Art Troupe of the Political Department of the South China Sea Fleet and Lei Faxian of the Guangzhou Lingnan Wind Music Factory jointly studied and reformed the Dong flute, and successfully produced the double-pipe Dong flute. It is based on the folk traditional Dong flute. The pipe body is made of two reformed Dong flutes with the same tune, tied side by side. The left is the main pipe and the right is the auxiliary pipe. The hole is equipped with a key, and the key is closed when it is not pressed.

In terms of timbre, the double-pipe Dong flute not only maintains the characteristics of the traditional Dong flute, but also has a thick and full bass range, like the tone of Bawu; the midrange is round and soft, similar to the timbre of a dongxiao; the treble range is bright and slender, much like a bang. The sound of the flute. For solo, ensemble or accompaniment.