In this paper,we discuss the importance and formation of the tutorial lesson,which is a small-class teaching mode teacher-centered.The combination of tutorial and lecture is erfect.In the tutorial the students are encouraged to share their own opinions and ideas about the lecture and the way how to learn.In the tutorial,the teacher is able to get close to students and know whether and how well the students master the knowledge.According to different subjects and different students,the teacher can design specific teaching methods to foster students' interest and to discuss with them over lectures in detail.Interaction and communication between teacher and student will improve both,teaching and studying efficiently.