In the teaching process of the security technology of buildings automation in higher vocational colleges, there are a lot of problems, such as the indefinite learning target for students, uninterested in theoretical knowledge, lack of practical ability for teachers, teaching material delaying, lack of training projects, etc. This paper proposes the methods to solve these problems by emphasizing the adaptability of basic course, updating the teaching contents, group discussion, strengthening the practical teaching and improving teachers' practical ability.