Abstract:Based on survey and research of geologicalenvironment conditions in the coastal citys in Shandong province, recently faced geological environment factors in coastal city construction of Shandong province have been summarized. That is, urban emergency water source, urban underground space development, ecological planning of urban fringe construction, and development and protection of wetland resources. They are main factors restricting the development of the city. Protection countermeasures and recommendations which are put forward in this paper will provide some references for authorities in urban planning and construction process.