The deficiency of teaching ability of young and Middle-aged teachers would be directly affecting the teaching quality and the development of colleges and universities.The teaching portfolio is an important carrier of teachers'teaching ability,which is closely related to Curriculum Reform,Teacher Learning Community and Teaching Reflection.Firstly,the teaching portfolio depends on a specific course,which has an advantage to awaken the teachers'awareness to promote curriculum reform.Secondly,the characteristic of the teaching portfolio which needs cooperation with each other can benefit teachers with mutual assistance to build teacher learning community.Thirdly,the "DIY" process of the teaching portfolio can help promoting teaching satisfaction and arousing teaching reflection.