Hu Jia (Hú Jiā) is an edge-edge air-sounding musical instrument, also known as Chao'er and Modun Chao'er in the folk. A musical instrument of ancient northern peoples in my country, shaped like a flute.

When playing Hu Jia, the body of the pipe is placed upright, the pipe is held in both hands, and the index and middle fingers of both hands are placed in the three sound holes respectively. The upper end of the nozzle is close to the lower lip, and the breath is pronounced. A pentatonic scale of twelve degrees. The guttural sound is often used for playing, and the guttural sound is often combined with the pipe sound to make sounds at the same time, or the guttural sound is used to elicit the pipe sound. The pronunciation is soft and rich, and the timbre is round and deep.

It can be used for solo, instrumental ensemble or band accompaniment, and it is a wind instrument with strong national color.