备课是提高课堂教学质量的前提和保证。而集体备课可以充分发挥教师的群体智慧,使教师个体在研究、交流、互动中,产生思想碰撞,迸发灵感的“火花”,进而使教师个体博采众长,择善而从,形成最佳备课方案。但是,长期以来,在集体备课实施的过程中,科学性和实效性不强的问题一直制约 Preparing lessons is the prerequisite and guarantee for improving the quality of classroom teaching. Collective preparation of lessons can give full play to the wisdom of the teachers of the group, so that individual teachers in the research, exchange, interaction, resulting in conflict of ideas, inspiring “sparks”, and then make the individual teachers to learn from others, choose the good, form the best lesson preparation program. However, for a long time, in the process of collective lesson preparation and implementation, the problem of lack of scientificity and effectiveness has been restricted.