The teaching of engineering professional course in higher education is directly responsible for students professionalism and can improve their their ability of the science and technology in professional fields. So this part has attached great importance to educational administration and front-line teachers. Idea of Engineering with a Big E is a new education idea. In this paper, the engineering characteristic of Electrical Engineering and Its Automatio is analysised from the point of Engineering with a Big E, the importance of the character of professional engineering in student learning is clarified, and the methods to update the teaching content, reform the teaching methods, Innovate the teaching means and Improve the teaching effect are discussed.