Taking Shanhaitian wetland of the Rizhao area as typical investigating area, by viewing investigation maneuverability and data attainability, the soil, surface water and groundwater samples was collected on the field and analyzed. 3S and geological statistics technology were employed for study of the present quality of water and soil resources, so that the main threats would be revealed, which the function of wetland is facing. The results showed that: the water quality condition of this area deserves worried, the typical pollutant contaminants seriously exceeds the standard, and the comprehensive evaluation for groundwater quality is worse.