Soil is the basis of plant survival, in order to reduce the accumulation of construction waste, in order to maintain the activity of soil. We should do a good job in soil waste, waste disposal, soil acidity and alkalinity test, and then adjust soil reasonably according to plant growth conditions to improve soil quality. At present, land activities have been reduced to a lower level due to long-term exposure or construction waste cover, which has resulted in part of school land. In order to ensure the healthy growth of green plants in the construction of campus environment, it is necessary to test the soil and restore the soil according to the needs of plant growth to meet the needs of plant growth.