Music features and sizes vary. According to the query of relevant public information, the size of Reba drums is different because they each perform different musical functions. The size of Reba drum is also related to its historical origin. The bass drum is usually used to produce low-pitched rhythms, while the snare drum is used to produce high-pitched tones. The combination of two drums can produce rich musical effects, making the Reba drum more vivid and diverse in performance. Reba drum is a traditional Mongolian percussion instrument, consisting of two large and small drums. Reba drum occupies an important position in Mongolian culture. It is not only a musical instrument, but also a cultural symbol, representing the national spirit and cultural heritage of the Mongolian people.