At the beginning of 1997, State Environmental Protection Administration officially launched the project of "National Environmental Protection Model Cities". And Dalian was in the first batch of 7 cities who gained this honor, together with Zhangjiagang, Shenzhen, Zhuhai, Xiamen and Wehai. When Environmental Protection Model City was initially built, the evaluation included economy, environmental quality and environment construction, all together 3 aspects 24 items. At that time, Dalian has already ranked highly in environmental protection work and met the requirements of related indexes. In 1999, Dalian successfully passed the first re-check of Environmental Protection Model Cities.