Classroom teaching in university

especially basic theoretical teaching

is difficult to attract students

and the teaching effect is not good enough.In this paper

the author’s teaching experience is taken as an example and the process of interactive teaching about"statistical significance of molecular weight"is recorded in detail.In the interactive teaching

teacher is facilitator and students are actors.Based on the students’situation and the student-oriented principle

explanations

discussions and exercises are combined.Knowledge spot can be easily accepted by students through this teaching method.Compared with the method that the knowledge spot was only explained by teacher

the number of students joining the course action was improved markedly.