As a student,we also need to try our best to build a harmonious campus.First,we should protect the trees and flowers.We can’t pick up flowers and we can’t walk on the grass.We can’t also throw litter here and there .We should make our school beautiful.Second,we should be kind to our teachers and classmates ,and we can’t be a dishonest man ,we are supposed to be kind to everyone.Finally,as a student,we should study hard,we should obey the school rules ,we are supposed to take an active part in activities