Hulusi, as a unique wind instrument in southwest China, is deeply loved by music lovers for its unique timbre and rich expression. Among them, "percussion", as a basic and important performance skill, plays a key role in improving the expressive force of hulushi music.

Percussion, also known as trills or rolling, in fenugreek performance refers to a grace note that produces a percussion-like rhythm effect by opening and closing sound holes in rapid succession on the same note. The way of playing is usually the finger quickly and evenly hit the sound hole, so that the notes show a rhythmic wave, like ripples, greatly enhancing the movement and vitality of the music.

The application of percussion can not only enrich the melody lines, increase the sense of rhythm of music, but also show the delicate changes in the timbre of hulusi and enhance the emotional expression of music. In many strong national style music, percussion is an essential element, it can simulate the throat trills in the folk song, so that the hulusi music more regional characteristics and life atmosphere.

Learning and mastering percussion skills is of great significance for improving the level of fenugreek performance. It requires players to have good breath control ability, agile finger movements and keen musical perception, through repeated practice, can make the performance more lively, and further show the charm of hulusi music.