Abstract: In order to better build the path of online and offline integrated teaching mode and truly effectively improve the teaching effect, we must first think about and deeply understand the following problems, namely, the fundamental purpose, connotation, characteristics, advantages and disadvantages of the reform of online and offline integrated teaching mode. Therefore, this paper points out that the fundamental purpose of online and offline integrated teaching is to improve teaching quality; It has the characteristics of systematization, informatization and openness; We should not exaggerate the advantages of online teaching and ignore the positive role of offline teaching. We should correctly understand the reasons for the disadvantages of offline teaching, give full play to people's initiative.

Key words: Online and offline integration, Teaching mode, Online study, Connotation and characteristics