| As the distinct character of the modern society in the 21st century, Information Technology, especially multimedia and network Technology, which is more and more applied, has changed functions and developmental mode in society field, and also deeply changed ways of existences and studies of social members. Applying Information Technology to teaching practice is necessary for social development, and required by education modernization as well.Regarded action-studying method as the research approach and aimed at basic principle , basic method, basic mode and principles of appraisal of application , I do the specific research. The result of the research shows that the application of information technology to the biology teaching in the middle school should observe five basic principles, which include combining, effective, cooperative, independent and assistant principle, and it has four basic methods, that is, presentation and analysis of knowledge points, inducing and constructing knowledge system, presentation and extension of studying process, consolidating and self-examination. Besides, it has three modes, which contain issue livening and guiding, participant and probing, cooperating and probing. And when we appraise the effect of its application, we must be formative, intended , objective , consistency , comprehensive , feasible and scientific. |