There are two major works in this plan, one is to handle the exhaust visible pollution vehicle reported case；the other is to check the replacement of old two stroke motorcycle application. There are 17,949 exhaust visible pollution vehicle reported cases in Taoyuan County in 2010 A.D. and the quantity is the second of Taiwan. So this plan can offer enough manpower and technology to raise the efficiency and the quality to make people satisfy. Besides, the old two stroke motorcycle has 260 thousands in Taoyuan County and the emission is 10 times than four stroke motorcycle. So this plan is try to make people to replace the old two stroke motorcycle. The work item is blow： (1)handle the exhaust visible pollution vehicle reported case： It’s included about verify the reported data, notify the people and assist the punishment. The total handled cases are 43,250. (2)check the replacement of old two stroke motorcycle application： It’s included about verify the application and assist the appropriation. The total checked cases are 8,014,passed are 7,448 and failed are 557. (3)the scrap old two stroke motorcycle promotion： It’s included about make the 1,000 playbills and 15,000 manuals, publish in the newspaper and promote on the website. (4)other correlation work： It’s included about notify the old two stroke motorcycle owner and hold 10 exhaust visible pollution vehicle reported law conferences.