Double-pipe nose flute (pinyin: shuāng guǎn bí dí), also known as double-pipe nose flute, Panouou, Buri, Laligedan, is a gas-sounding instrument of the Gaoshan people, and a gas-sounding instrument of the Kemu people. popular in Taiwan.

The double-pipe nose flute has a soft and elegant tone. It is mostly used for sacrifices, welcoming guests, hunting, harvest, festivals or entertainment and other occasions.

The structure of the double-pipe flute is the same as that of the single-pipe flute, and it consists of two flutes. The first type is a two-pipe juxtaposed nose flute, in which two nose flutes with the same pipe body, hole spacing and pitch are tied side by side. When the two pipes make the same sound. In addition, there are two nose flutes with different perforations, and each plays its own melody when it is played. The second type is a two-pipe nasal flute, one of which has a sound hole for playing the melody, and the other without a sound hole, only a blow hole, which can only play a continuous bass (tub sound).