According to the development of the computer and communication technology, the educational environment is advancing to ubiquitous learning(u-Learning) which learners take an active part in studying contents, studying time and studying order . In order to increase effects of u-Learning, assistance and advice from the specialist is needed earnestly. Accordingly, if the scaffolding and the mentoring in the u-Learning are provided, studying efficiency would be maximized. This paper proposes u-SM(Ubiquitous Scaffolding and Mentoring) teaching and learning model which applies the scaffolding and e-mentoring. In addition, it embodies and applies the designed u-SM model. Then it examines it affects in studying achievements and attitudes of students and verifies the application possibility of the u-SM teaching and learning.