The development of the space of places in Mainland China, where is astonishing because of the varieties in its spatial multi-development patterns on the one hand, and the uneven development phenomenona of its city-regions on the other hand. Likewise, the essay firstly analyzes and examines the spatial development mechanisms of city-regions in Southeast Coastal China since the economic reformation after the 1980s. Secondly, the paper continues to review past literature to sort out and analyze the research orientation concerning the problem-solving of uneven spatial development. Thirdly, we attempt to employ Boston Consulting Group (BCG) and Geography Information System (GIS) as a research method to explain some spatial change factors in town-governance where is related with the social-economic transfer process before the millennium (1995-1999); i.e., to represent the distinctions between seven major regions (included its inter/intra major city), and four major municipality, above those concerning the issues of their attraction of foreign direct investment, GDP, tertiary industry, etc. Lastly, with in-depth interview field survey (this method differentiates from the quantitative models of other research employed) from Xia-men, which is a special economic district located in the southeast coastal area, whose recent changes will be discussed further as a case study in this paper. Concerning the purpose and contribution of the study, the author attempts to testify that the major (uneven spatial development) mechanisms for the contemporary city-regions in China lies in the “decision-maker/ grassroots/ local state”, which has immeasurable activeness and strenuousness on their energetic and special local management models.