Abstract: With the development of computer and information technology, the traditional teaching mode of "Algorithm and Data Structure" has been unable to adapt to today's university teaching environment with rich network resources and advanced multimedia technology. Therefore, it is imperative to explore a hybrid teaching mode based on online and offline to meet the requirements of the new era. This mode aims to cultivate students' ability, and improves students' learning interest by introducing a new teaching method - "peer teaching method". Meanwhile, the increase of online learning mode also caters to the demand of college students for electronic equipment and network resources in the new era. The practice results show that this model has certain effect on the improvement of students' comprehensive ability.

Key words: Data structures, Teaching reform, Online and offline mixed teaching, Teaching mode