The length and width of desks for primary school students in Shanghai are 60 cm and 40 cm respectively. In recent years, the myopia rate of children and adolescents in China has remained high. In order to effectively reduce the incidence of myopia among children and adolescents, the health supervision agency issued a comparison table of the types of desks and chairs, popularized the Regulations on School Health Work, and conducted training on national standards related to teaching environment such as lighting and lighting.

The height of the desk and chair corresponds to the height.

Taking the height of desks and chairs as an example, according to the different heights, students' desks and chairs are divided into different models from 0 to 1 1, and each model has a strictly corresponding height of desktop and chair seat.

Classroom daylighting standard

Relevant standards also stipulate that in a classroom with single-sided lighting, light should enter from the left side of the student seat, and the main lighting window of the classroom with double-sided lighting should be located on the left side.

Classroom lighting standard

The classroom lighting is equipped with 9 fluorescent lamps of over 40 watts; The hanging height of lamps from the desktop is 1.7 to 1.9 meters.

Classroom layout standard

The front edge of the desks in the front row of the classroom should be more than 2 meters away from the blackboard.