The desks and chairs used in most schools only have basic functions such as sitting, reading, writing, and drawing, which can only meet the basic learning needs, and in some cases, the size, height, tilt Angle, and space size of the desks and chairs can not meet the actual needs. With the increasing complexity of students' learning process, the traditional single-function desks and chairs obviously can not meet the needs of students, and it is urgent to optimize and improve.
