The embodied environmental impact of buildings, and environmental impacts caused by a large amount of resources, energy and toxic substance during this process was analyzed. The connotation of the embodied environmental impact of buildings was defined. According to the international Society for Environmental Toxicology and Chemistry, twelve factors of environmental impact were determined. The building environmental impact list in the full life cycle was calculated from the BEES (Building for Environment and Economic Sustainability). The value of environmental factors in Jiangsu province was obtained by the Willingness-To-Pay in Environmental Economics. Finally, combined with a residential building in Jiangsu province, society WTP for the environmental impact was figured out.