This paper introduces the author's teaching experience on the freshman seminar course to build the Chinese popular science website on polymers. Following the new situation of teaching reform for " three-three policy"at Nanjing University

the author set up freshman seminar course

guided the course students in several groups to choice a subject under the course title " Macromolecules-from Materials to Life"and to build a website introducing the related knowledge in the style of popular science. In this way

the students could learn the concepts of collaborative study and explorative study in order to fit better into the study in the modern university. The produced website " Garden of Macromolecules" is now beginning to take shape and expecting more participation of colleagues.