Among computer courses in most colleges and universities, data structure is the core contents of the teaching, and plays an obviously important role in the whole teaching process. In the long-term teaching of data structure course, the efficiency of teachers is relatively low, the learning of students is difficult, and the teaching method is obsolete and unique, which affects the learning of data structure course. How to innovate teaching methods and improve teaching level of data structure is

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... he research project for teachers. In the learning of computer related professional course, data structure is an important foundation course, and students can grasp basic theory of programming, learn editing program, master the operation systems and databases from the course. The content involved in the data structure is relatively complicated and abstract, and students may encounter certain difficulties in the study. In traditional cramming teaching method, students accept knowledge passively, which results in the unsatisfactory learning effects and declining leaning interests. At present, many colleges and universities are actively innovating teaching mode, and take PBL teaching method to increase the learning initiative of students, cultivate comprehensively the innovative, design, and abstract thinking capability of students, which is effective for the teaching of data structure course.