In the NES, furniture stool, Mazar is the earliest appearance, it is the predecessor of the stool, on the stool added a back to become a chair. Originally used to trample on the horse, on the car when used, so also known as horse stool, car stool. Folk commonly known as the name, there are "martial stool", because the martial arts people sit like a clock, do not need to rely on what, so named. The stool is simple in use and widely used, so it is larger than the number of chairs circulated.
The shape of the stool is very rich, the appearance of the early is rectangular, has been extended to the Ming Dynasty, to the Qing dynasty into a square, but also appeared round, sector-shaped, plum-shaped, hexagonal stool and so on.