This article points out that logical diagrams can help learners understand and use logical reasoning easier and more intuitionally, while existential graph has great value and use for logic education.

• 本文指出，逻辑图表能帮助人们较轻松和直观地理解和应用逻辑推理，而存在图作为一种图表化理论，对逻辑教育有着突出的合目的性和效用性。