教学设计是一种解决问题的系统方法，教法设计又是教学设计中最重要的部分。教法设计是否科学、合理，直接关系到师生活动能否处于一种和谐状态，关系到学生求知能否由浅入深地进行，简言之，关系到教学能否取得理想的效果。教法设计的合理性大致有以下方面：一、教法设计要体 Instructional design is a systematic approach to problem solving. Teaching method design is the most important part of instructional design. Whether the teaching method design is scientific or reasonable is directly related to whether the teacher-student activity can be in a harmonious state and whether the student’s knowledge can be carried out from shallow to deep. In short, it is related to whether the teaching can achieve ideal results. The rationality of the teaching method design generally has the following aspects: First, teaching method design body