Abstract: Fundamentals of Analog Circuits is an important fundamental course of Electronic and communication disciplines.This paper starts from the engineering characteristics of the course and the students' mentality.The method of studying is analyzed and the corresponding mind map is builded.The mind map method is applied to the teaching to guide students to build the knowledge structure of the course.Through a small range of teaching practice,it is proved that the use of mind map as an auxiliary tool in the teaching process can help students to understand the knowledge system.It can also stimulate students' enthusiasm for learning and creative thinking,and cultivate students' comprehensive quality of electronic technology.