领悟教改的主旨,整体把握和探索课堂教学的新途径、新模式,进行教学设计,可以为课堂教学提供科学性的行动纲领,使课堂教学能获取事半功倍的效果。高中生物教学设计中,教师必须明确教学系统的各要素的特点与功能,并在教学设计中树立整体的、相互关联的、开放发展的、有目的的观点,使教学设计达到系统优化。 To grasp the theme of education reform, to grasp and explore the whole new way of classroom teaching, new models, teaching design, classroom teaching can provide a scientific program of action, so that classroom teaching can get a multiplier effect. In the biology teaching design of high school, teachers must clarify the characteristics and functions of the various elements of the teaching system, and establish a holistic, interdependent, open and developing, purposeful viewpoint in the teaching design so that the teaching design can be systematically optimized.