Jingle bells are percussion instruments of Han nationality and other nationalities. In ancient times, it was called Zhong Hong, and Manchu, Mongolian, Tibetan, Naxi, Han and other ethnic groups fought against each other. Ding Xia, as it is called in Tibetan, is widely used as percussion instruments in China's song and dance, opera accompaniment and national instrumental ensemble. In modern music education and performance, chimes are widely used in instrumental ensemble, dance accompaniment and drama performance because of their unique timbre and performance methods. Because of its small size and portability, bells are often used as teaching tools for children's musical instruments. The production technology of the clock is exquisite, and the edges of each copper bowl are finely polished to ensure the pure timbre when knocking. The choice of silk thread and the adjustment of its length are also the key factors affecting the timbre of bells.