Abstract: With abundant resources, Nansihu drainage area is the main coal base in support of Shandong Province, and 40 mines has been developed one after the other in recent years.The influence to the environment of Nansihu area is more and more serious as the mining going on.It mainly shows surface subsidence, Gangue piling up, traffic block, pollution of surface water and waste water in coal mine.The influence is discussed here, and it can provide a basis for the coal mining layout, development in the area.