Educational technology is an important achievement of the development of modern pedagogy. The participation of educational technology in the educational process is the optimization and upgrading of the educational process model, which makes the organizational sequence of the educational process more logical and systematically optimizes the thinking of analyzing and dealing with education and teaching problems. Educational technology, as an important aspect of optimizing educational activities, has a long history, which is based on the use of teaching media. People really use the term educational technology and form an independent knowledge system around it, which is after the 1860s. Of course, it has a gestation period and growth period, which is at most nearly a century. The continuous development of modern science and technology and modern educational concepts endows the concept of educational technology with abundant connotation and infinite vitality. Educational technology is a theory and practice about the design, development, use, management and evaluation of learning resources and learning processes. Its ultimate value pursuit is to optimize education and teaching. Education is people-oriented and teaching is the priority.