Abstract:Coastal zone in Yantai city locates in Shandong Peninsul Blue Economic Zone with rich in resources and great importance to regional economy. Due to effects of geological conditions and human engineering activities, many geological problems have been happened. In this paper, major geological and environmental problems in Yantai coastal have been analyzed. On these basis, relevant protection suggestions have been put forward. It has great importance in realizing the harmonious development between the construction of the coast zone and the protection of the geological environment.