[Purpose] This paper is to explore network information environment composition and characteristics of multimedia teaching and research, teaching model and their building. [Method] Literature, experimental research, questionnaires, interviews, training and other research methods are used. [Results] Multimedia teaching by teachers, sharing with learners, its content, its transmission environment, and other basic elements of composition, characteristics reflected on the teaching philosophy of updates, its extension of the concept and functions of the teacher-role changes, as the changing role of teachers and the capacity requirements, learner’s autonomy and self-control ability to enhance the teaching resources and their sharing of rich, personalized teaching process, diversity of teaching content, modernization of teaching methods and so on are achieved. [Conclusions] The teaching concept of network information environment is a multi-media teaching method and educational philosophy with a series of changes and transference. It is a neo-strategy to adapt the information society, knowledge economy, market competition, high-tech, digital environment with their application type, complex and creative training mode of education as well.