Abstract:Regarding Shuangcun village karst water system in Zoucheng county in Shandong province as an example, by using water quality monitoring data in many years, change characteristics and distribution regularity of key ion contents have been compared, and the impacts of groundwater exploitation domestic pollution to chemical environment of groundwater have been analyzed. It is contribute to understand spatial and temporal evolution of water chemical field under the impact of the human activities. It also will provide some references for reasonable exploitation and water source protection of groundwater.