Mouth flute, Li nationality wind instrument. Li called Lilie. Popular in the Li nationality area of Hainan Province. The shape is similar to the suona rod.

The timbre of the mouth flute is similar to the high-pitched area of the pipe, bright and distinctive, very pleasant, full of singing, suitable for expressing cheerful and warm tunes. The bass is full and round, the midrange is clear and soft, but the treble is sharp and thin. The method is basically the same as that of the small suona. It uses breath to control the pitch and timbre, and absorbs different techniques such as single spit, double spit, tongue, glissando, staccato, and pause. It is often used in folk to accompany female vocals. 

The Li people love the oral flute very much, whether it is on the way of farming, in the grazing, or on festive occasions, they must play the oral flute; even more after the rice is planted, the Li family believes that it will make the rice grow longer. grow strong and get a good harvest. Young people of Li nationality have special feelings for mouth flute, which is an indispensable "matchmaker" in love.