The horn is a lip-vibrating air-sounding instrument of the Yi, Dai, Man, and Han nationalities. In the Dai language, it is called 筚phase short, Haya. In Chinese, it is called bucket, big copper horn. Popular in Yunnan Province Chuxiong Yi Autonomous Prefecture, Xishuangbanna Dai Autonomous Prefecture, Liaoning, Jilin and other places.

The horn is an ancient military horn. According to legend, it was derived from Dajiao during the Northern Wei Dynasty (386-534 AD). Ming and Qing dynasties were called copper horns. The "Bronze Bar" in Wang Qi's "Sancai Tuhui" in the Ming Dynasty recorded: "The ancient horn was made of wood, but now it is made of copper, which is a variant of the ancient horn. It. For the joy of the military."

It was used in the military in ancient times, and was also used in the honor guard of nobles, princes or military officials. In 1959, a trombone was unearthed from Muying's tomb in Ming Dynasty in Shuigeziyingtang Village, Jiangning County, Jiangsu Province.