Environmental issues are concerned by the whole society. Uncle Ho has a saying that "the age when the child works is small depending on his / her strength", so keeping the school and school hygiene is also protecting the environment. First of all, we need not to indiscriminate garbage, to put the garbage in the right place. Participating in the construction, preservation, and environmental protection such as "Green, clean, beautiful classrooms", "Pink Sunday", taking care of memorial sites ... Students, please be more conscious in keeping, protect your school and classroom landscape. Everyone, do the cleaning by themselves, collect rubbish today, and clean the entire classrooms and schools. Please have a good sense of compliance, do not litter indiscriminately, do not paint on the wall, ... to make our learning environment bright - green - clean - beautiful.