Construction method for coal mine dump soil improvement

The invention relates to a construction method for coal mine dump soil improvement. Comprising the following steps: S1, investigating soil of the waste dump, including measuring parameters of soil texture, water content, organic matter content, pH value and heavy metal content; s2, physical improvement, including soil ploughing, soil air permeability increasing and soil structure improving; s3, chemical improvement, wherein the pH value and the nutrient content of the soil are adjusted; s4, vegetation restoration: selecting suitable plants for planting so as to promote soil consolidation, reduce water and soil loss and provide ecological system restoration; by means of the soil improvement construction method, the soil quality and the ecological environment of the waste dump can be improved, water and soil loss can be reduced, soil fertility can be increased, vegetation restoration can be promoted, soil consolidation and ecological system restoration can be achieved, and therefore beneficial effects can be ac