Blended teaching design reflects teachers'teaching level and comprehensive wisdom.In order to improve the teaching effect,we must innovate classroom teaching,and the key to innovate classroom teaching is to do a good job in teaching design.In view of each link in teaching design,this paper analyzes the elements that should be included in the design of course teaching plans,gives the writing steps and requirements,puts forward the standards for evaluating the quality of teaching plans,puts forward suggestions on lesson preparation,courseware production and use,and classroom teaching in classroom teaching.The paper points out that attention should be paid to the rational combination of teaching methods,blackboard writing and courseware,and finally gives suggestions on improving the efficiency of classroom teaching and the level of teaching design.