学校是传播知识和文明的场所,良好的公共卫生不仅有利于学生的身体健康,而且对陶冶学生情操,促进学校乃至全社会精神文明建设也具有重要作用。因此,中小学校要重视校内公共卫生状况的改善。环境卫生首先,要在对校园进行统筹规划、合理布局的基础上加强绿化,这是改善校园环境的重要措施之一。在建筑物周围、道路两旁、校地四周都应种植树木(教室窗前不宜种植高大树木),校内操场及空地宜种植草皮。一般情况下,绿化面积应达学校面积的45—50％。其次,要建立校园环境卫生清扫与保洁制度, The school is a place to spread knowledge and civilization. Good public health not only helps students ’health, but also plays an important role in cultivating students’ sentiments and promoting the spiritual civilization in schools and even in the whole society. Therefore, primary and secondary schools should pay attention to the improvement of school public health. Environmental Health First of all, it is necessary to strengthen the afforestation on the basis of overall planning and reasonable layout of the campus. This is one of the important measures to improve the campus environment. Trees should be planted around the buildings, on both sides of the road, and around the school grounds (tall trees should not be planted in front of the classroom windows), and turf should be planted on playgrounds and open spaces in schools. Under normal circumstances, the greening area should reach 45-50% of the school area. Second, we must establish a campus sanitation and cleaning system,