After the COVID-19 pandemic，online teaching has become an integral part of the education sector．With the advent of the post-pandemic era，the integration of education and information technology has become even closer，making online teaching an indispensable component．Both online education and traditional offline teaching have unique advantages，and the integration of these two modes into a blended teaching approach presents new opportunities for education．Therefore，it takes“New Energy Materials Preparation Experiment”as an example to explore and research the blended online and offline teaching mode for experimental courses．Addressing issues such as students’insufficient understanding and low motivation，this study uses the self-assembly of flexible self-supporting MoS 2 /CNTs composite films as an illustrative example．By fully leveraging the advantages of blended online and offline teaching，it aims to enhance the educational quality and accessibility of experimental courses，providing students with a more enriching learning experience． This research also offers novel perspectives and insights for the future educational reforms in“New Energy Materials Preparation Experiment”．