Rhythm stick is a percussion instrument, which belongs to wooden children's music teaching AIDS and is often used to increase children's interest in music and learning ability. In a band, rhythm bars are usually used by drummers. They beat different parts of the rhythm bar and make different loudness, so as to master the important links such as the speed and rhythm of music. In jazz, drummers especially need to keep good cooperation with other musicians, and the use of rhythm bars is particularly demanding.