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 horn has no sound hole and no fixed pitch. Depending on the mouth shape change and breath control, different pitches can be played.

The small ones have a high-pitched and sharp tone; the large ones are thick and melodious, and can be used for solo or ensemble. Use gongs and drums to accompany the ensemble.

In some areas of Hunan, there are also popular horn tunes such as "Jade Emperor Fu", "Lao Junfu", "Goat Crossing Au".