This study aims to construct a scientific and easy-to-operate teaching system for chemistry-related public elective course group. Using "life", "materials", "environment" and "resources" as the theme, this study lays emphasis on multi-disciplinary integration and interconnection, designs teaching activities in a scientific and reasonable manner, and organically integrates and constructs a knowledge system. Additionally, students are supposed to be guided to strengthen their awareness of protecting environment, treating life well and saving energies, and develop the concept of scientific health, so as to promote students忆physical and mental development and practice ability.