Bronze horns, also known as blowing gold, are ancient ethnic and Han lip-vibrating musical instruments. Bronze horns are one of the "horns" of musical instruments, and there are other musical instruments such as ox horns and bamboo horns. Originally a musical instrument of ethnic minorities in northwest China, it was widely popular in ancient times and was a folk musical instrument commonly used by people of all ethnic groups in northern and northwestern China.

The whole body of the copper horn is made of thin copper sheets imitating the horns of the cow, and the copper horns of various ethnic groups and regions are slightly different in shape.

There are many bronze horns in the collection of the China Musical Instrument Museum of the Institute of Music of the Chinese Academy of Arts in Beijing, one of which was used by teachers (witchcraft) in Liling, Hunan. And thin, the nozzle is oval trumpet-shaped, with a total length of 60 cm. This copper horn is unique in shape and exquisite in craftsmanship, making it a masterpiece. It has been included in the large-scale picture book of "Chinese Musical Instruments Illustrated Guide". There are also two bronze horns with dragon head decoration, with a total length of 45 cm, which were purchased from qin master Zheng Yingsun in 1958.