新课导入环节在初中数学课堂教学中具有重要的价值。本文首先从新课导入概念界定谈起,而后从教育学、心理学、美学等学科寻找重视本环节的理论依据。最后,指出了设计导入时应遵循的原则。 The introduction of new courses in junior high school mathematics classroom teaching has an important value. This article begins with the introduction of the concept of new course into the definition, and then from the pedagogy, psychology, aesthetics and other disciplines to find the theoretical basis for attention to this section. Finally, the principles that should be followed when designing the import are pointed out.