Abstract The topic of project: The pollution preventing of building engineering 2009. The project number: 980402020 The project execution unit: Content Engineering Consulting Services, Ltd. The person in charge the project: 鄭少玲/Jau jia yung The duration of the project: 2009/4/17~2010/4/16 The budget of the project: NTD Eighteen million five hundred thousand dollars. Taoyuan become an important city because the greater geographic condition. It’s well-develop in many parts. The purpose of this project is how to maintain the balance between exploitation and environmental protection. There are over than 4000 cases in supervising per year. As the managing regulations of air pollution preventing equipments executed, we finished a lot of works in this project. In the managing part, this project combined with many departments to improve the air quality. In the duration of the project, we finished 13,579 cases for inspection. The control of emission could reach over than 80% every month. It was better than last year for 10%. There were 71 cases for street cleaning to be achieved. The total mileage was 47,768 kilometers. The income of air pollution fees was 138,249,090 dollars. The reduction of TSP was 4,097 metric ton. It was better than 2008 for 6.4%. In the index of “the exam for construction project”, it finished about 97.9% effects. According to the experience, this project purposed the suggestions and further plans as the reference to execute this project.