The basic view of the theory of trying teaching is that "students can try, try to succeed and innovate successfully", and its characteristic is "try first and then guide, practice first and then speak". The theoretical basis of teaching theory mainly includes three aspects: philosophical basis, teaching theory basis and psychological basis. From the philosophical point of view, dialectical materialism epistemology requires paying attention to students' practical activities in teaching, so that students can acquire knowledge, develop their thinking and cultivate their abilities.