Abstract:Through analysis on datas of dynamic changes of water quality of representative points in Jinan spring region for many years, and analysis on water quality gained from 53 copies in dry season and wet season, the water quality variation of representative points in the region for many years has been summarized, and distribution and variation rule of major chemical indicators in dry season and wet season in 2010 have been analyzed and compared. It will provide some references for the protection of groundwater in Jinan spring region.