The shape and structure of the qin are similar to those of the erhu, and the players make their own use, so the materials and specifications vary.

piano bar
It is mostly made of paulownia wood, and the common ones are 45 cm to 50 cm.

headstock
It is a square column with a flat top without decoration.

peg
The upper part of the piano bar is 14 cm away from the top, and a peg is set horizontally. It is boxwood or hard wood, conical, and the shaft is 15 cm long.

piano
The piano bar is a cylinder, a jin is arranged near the peg, and the lower end is installed in the piano barrel and exposed. The qin barrel is cylindrical in shape and is mostly made of a section of moso bamboo. The barrel is 11 cm long and 5 cm in diameter. The front of the barrel is covered with bamboo shoots, and the back of the barrel is open.

piano, strings
A bamboo or bone qin horse is placed on the panel, and a ponytail or silk string is attached, and the lower end of the string is tied to the tie string, which is a small bamboo rod with a knot at one end, passing through the bottom of the qin rod.

bow
The thin bamboo or bamboo pieces are tied with brown silk or horsetail, the bow shaft has a large curvature, and the bow length is 40 cm.