decorate
It is best to leave the wall blank, and you can hang children's works, which is both decorative and can improve children's self-confidence. Don't paste cartoon murals in a large area, you can paste one tailored to your height, and it is meaningful for children to see their growth every day.
colour
White, warm color, a small amount of bright color, accounting for less.
lamplight
Give priority to with natural light, is good for children's vision development, artificial light as long as the lighting is good, don't pursue good-looking.
ventilate
The temperature must be controlled in winter and summer, and vents should be added to keep the air circulating.
Power?Supply?
In addition to the necessary classrooms, try to reduce them as much as possible, and also take protective measures.