图示法的优点是能化繁为简、一目了然,让学生轻松地掌握知识要点。图示法可以把难以用语言描述的概念变成让学生可以感知的具体形象,把教材中众多的历史知识简约、系统、直观地表现出来,使我们从纷繁复杂的历史知识中理清线索,建构体系,增强记忆。比如,我们可以把美国1787年宪法的“分权与平衡”原则涉及教材中的大段文字简洁、 The advantages of graphic notation are its simplicity, clarity at a glance, making it easy for students to master the basics of knowledge. Graphic notation can make difficult to use language to describe the concept into a specific image that allows students to perceive the textbook many historical knowledge in a simple, systematic and intuitive manner, so that we can clear the clues from the complicated historical knowledge, Build a system to enhance memory. For example, we can conclude that the principle of “decentralization and balance” in the 1787 Constitution of the United States involves large sections of texts that are concise,