When China’s economy has entered a period of rapid development, people’s demands for quality of life are further improved. With the rapid development of the construction industry, there are more and more high-rise buildings, and the internal structure of the building is becoming more and more complex. The area is also increasing. The larger, under such circumstances, many buildings are using ventilation systems to conduct effective air exchange within the internal environment, increase the freshness of the air, protect the health of the working people inside, and the use of ventilation ducts on the building further reflects the building. The more human nature of its own, it also makes the ventilation pipe industry has greater room for development.