Trombone is also known as Changming, Tongjiao, Zhaojun, Horse Blowing, Horn and so on. It is Yao, Zhuang, Miao, Yi, Hani, Buyi, Tujia, Uyghur, Han and other nationalities lip-vibrating and chirping musical instruments. Yao language called Dangling. It is called Dabala in Yi language. The Bouyei language is called Manglie. Uyghur is called Kanai. The Han people call it the tuba, long tip, trumpet, aces and so on. It is popular all over China, especially in Guangxi, Yunnan, Guizhou, Xinjiang and other provinces and regions.

The whole body of the trombone is made of thin copper sheets and consists of upper, middle and lower copper tubes.

The upper section is the mouth section, the top has a pot bottom-shaped mouthpiece, the middle section is the telescopic section, and the lower section is the trumpet section. The tube body is retractable and retractable. When not in use, the upper and middle sections can be retracted into the speaker section, which is very convenient for carrying and storage. Trombones of different ethnic groups and regions have different specifications and lengths.