There is no doubt that it is the essence of Chinese traditional education,the unity of theory and practice,the transformation of knowledge into wisdom. It can be used in the educational reform of landscape architecture nowadays,which is also the requirement for the development of professional practice and different stages of professional education.The teaching of landscape architecture history in Tongji University takes the unity of theory and practice,the transformation of knowledge into wisdom as the faith.The teaching faith can make the students connect professional knowledge with designing practice,which adds the fun of teaching,enriches the content of landscape architecture history, and promotes the meaning of teaching.