Dongdongku is a Tujia single-reed air-sounding instrument. In Tujia language, it is called Zaogude, also known as Dadaili. It is popular in Longshan, Sangzhi, Baojing, Yongshun, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Province, and Laifeng and Hefeng, Hubei Province, Hubei Province.

The body of the dong dong kui is made of bamboo, and it is mostly made of thin bamboo tubes with bamboo joints at the head end. The length and thickness of the tube vary. Generally, the length of the tube is 15 cm to 20 cm, and the inner diameter of the tail end is 0.8 cm to 1 cm.

Thin the front tube wall of the head end, and at 1 cm from the bamboo joint, use a sharp knife to carve a bamboo reed. connected with the reed tongue facing down. The outer skin of the tube wall is flattened on the front of the tube body, three or four square sound holes are opened at the lower part, and a sound hole is opened near the end.