Abstract: This paper, based on the teaching practice of the circuit course, discusses how to treat the knowledge learnt and demonstrates the author's experience in the teaching innovation, that is, putting into practice the methods in circuit theory, such as the scientific and abstract method、the black boxe's method、the comparison method, etc. Grasping these methods embodies a kind of innovative ability. Using these methods to teach students is also a kind of form of innovative education. At last, the paper concludes that innovative education can be carried out in the basic course and basic technology course.