Abstract: Biological treatment technology of planting and aquaculture waste is a technical mode of treating corn stalk and farm manure by earthworm culture．Application of this technology provides a resource utilization way for agricultural waste, which can reduce straw burning, improve air quality, solve pollution of breeding manure, realize resource utilization, promote increase of farmers' income, provide a new way to get rich for rural economic development, and have good economic and social ecological benefits, which is of great significance for promoting construction of "beautiful countryside" in Tianjin City．Based on this, test results were deeply analyzed, innovation of this technology, and its ecological benefits to society and environment were expounded in detail．