It is mainly based on personal height. When sitting on one-third of the stool, raise your arms, and the arms are parallel to the piano. This height is suitable for the position directly above the piano.

Generally, teachers will remind beginners to sit up straight when practicing the piano. (This is a must.) After you sit on the chair and your waist is straight, your hands are naturally flat and you can play the piano without hindrance. This chair is qualified.

There are also requirements for the size of the chair. The feet are usually placed on the left, front, right and back, and they are usually close to the shelf of the piano head. When sitting, there may be part of the chair close to each other, or the chair is stuck in the middle of the piano frame (for horns. chair), at this time, when the performance is finished, there may be friction and collision with the piano frame. In severe cases, the entire piano frame will be pulled out directly, and the headstock will fall directly to the ground! Therefore, it is best to choose a round stool, which is cylindrical, with a simple and elegant appearance, and is mainly simple.