Abstract Vocational and technical courses focus on the combination of theory and practice, the teaching process is a combination of learning and doing. The improvement of teaching effectiveness, curriculum design and integration are needed. And in conjunction with the construction of the relevant resources enable students to gradually increase the level of theory and practice by self-learning, online learning. The design of course content, the design steps and the construction of the repository content of “Chemical automatic control system operation and maintenance” are studied. The teaching effectiveness has been largely improved after the implementation.