Don't put extra things in the classroom to ensure that the space is open. Cleaning tools are neatly placed in the position required by the school, and calligraphy and painting advocating love for health are posted on the wall; Arrange a corner of the classroom (small triangle table, triangle cabinet, etc.). Can be placed in this corner), let students exchange their books in that corner, increase students' reading and save resources; Pay attention to the cleanliness of the classroom every day. Cleanliness is also a kind of beauty.