Orff's momentum and rhythm is one of the basic concepts in Orff's music education. It originated from the creation of German musician Carl Orff. Orff's music education system breaks the category of music, widely adopts various forms of artistic expression, and promotes children's comprehensive perception and cognitive development through the combination of music, language and movement.

Orff believed that music should be expressed through body movements, and body movements are produced by the interaction of human emotions and music. This form of expression is momentum and rhythm. In Orff's music education practice, children are guided to participate in various sound and rhythm activities to help them better understand and feel music, and improve their musical expression and creativity.

Therefore, the origin of Orff's vocal rhythm can be traced back to Carl Orff's music education thoughts and practices. It is a music education method based on body movements, aiming to use multiple The combination of various art forms promotes children's musical, physical, emotional and cognitive development.