Abstract:This paper directs at the explosive development of knowledge, various access to information for students, and the phenomenon that traditional way of teaching cannot arouse students' subjective initiative. The authors launched small class inquiry teaching for alloy and preparation technology course teaching. Fully recognizing the importance of creating fair atmosphere for academic exchange in class, the authors implement the idea that teachers are not necessarily better than their pupils, nor are pupils inferior to their teachers in teaching, which can promote the students′ subjective initiative for seminar and achieved good interactive teaching effects.