Abstract: By analyzing the characteristics and the existing problems in teaching,this paper explores the reform ideas and measures of curriculum teaching.The“big example”runs through the teaching mode of the whole experimental course,and the abstract textbook concept and analysis method can be applied to engineering cases.Takingquadrotor height control system as an example,the concrete implementation process of control system modeling,automatic control system time domain analysis method,root locus analysis method and PID controller design,system stability analysis and other main contents are presented.The simulation results are applied to the quadrotor platform to cultivate students' ability to solve practical engineering problems.