Mimi is a double-reed gas-sounding instrument of Hui, Dongxiang, Baoan, Sala, Tu, Yugu and Han nationalities. It is easy to make and easy to play. It is used for solo and accompaniment. The sound is soft and beautiful, and it is deeply loved by people.

Mimi is composed of two parts, a tube body and a tube whistle, with a total length of 14 cm. The tube body is made of bamboo, and is made up of two tube bodies with the same length, thickness, hole spacing and pitch tied side by side.

The bamboo tube opens the middle bamboo joint, the upper and lower ends are open, the tube length is 13 cm, and the inner diameter of the tail end is 0.4 cm. The two pipes are respectively provided with the same four circular sound holes. The hole is 2.3 cm from the fourth hole, and the fourth hole is 2.8 cm from the head of the tube.

The pipe whistle is made from the bark of a lilac tree or willow branch. First, cut the bark of the branch into small pieces and separate it from the wooden pole. This bark tube does not need to be processed. It is an oboe whistle when it is flattened. , The outer diameter is 0.4 cm, and the bark pipe whistle is inserted into the pipe openings on the upper ends of the two pipes respectively, and the exposed 1 cm is enough. The head and tail ends of the two tubes are tied side by side with silk threads, and the tails of the tubes are decorated with colored silk ears.

In addition, in Ningxia, northern Shaanxi and other places, there is also another kind of mimi, which has a single-reed, double-tube, and five-hole structure. This kind of Mimi is exactly the same as the shape of Qiqi popular in the Qiang area.