The shape of the erhu is similar to that of the erhu, and the players make it for their own use.

piano bar
Bamboo is mostly made of elastic bamboo strips, in the shape of a flat square column, with a total length of 80 cm to 110 cm, a width of 1.5 cm to 2 cm, and a thickness of 0.5 cm.

headstock
The top headstock has a flat top without decoration, and there are three circular peg holes above the piano bar, one of which is inserted into a shaft.

peg
Made of wood or thin bamboo rods, depending on the length of the strings, the position of the sockets of the pegs changes.

piano
Made of bamboo, it is cylindrical, mostly made of large dragon bamboo. The tube is 12 cm to 22 cm in length and 8 cm to 16 cm in diameter. The front of the tube is covered with a layer of dried bamboo shoots, and the back of the tube is open.

strings
There is a bamboo horse on the surface of the piano. Zhang Yiqin strings were originally made of flexible cow grass or rattan skins. The strings were thick and long, and the pronunciation was low; now they are made of nylon strings or silk strings.

bow
The rod is made of golden bamboo or bamboo strips, and the two ends are tied with brown silk or ponytail. The length of the bow is 40 cm.