Abstract: Soil, including the bed soil, dominating the nutritious of the animal and plant, and the Tonghu Wetland is rich of the kind of soil. The article studies the difference of the heavy metal element through the analysis of the Marsh Soil and Water environment study. Discuss the reason for the Wetland Soil and Water environmental pollution characters, vegetation development, and the death of fish. Classify the Wetland Soil environmental pollution and identify the water nutritious degree in Tonghu Wetland Soil area to give suggestion and recommendation for protection plan.