Abstract: The course of air pollution control equipment is a compulsory course for environmental protection equipment engineering majors, which focuses on cultivating students' ability in designing and selecting air pollutant control equipment, with strong practicality and difficult learning. The 3D software Solidworks is integrated into the class teaching, and the 3D modeling is used to show the structure and design process of the equipment, so as to enrich the teaching methods, broaden the students' knowledge, improve their engineering application ability and inspire their innovation.