Large-scale pig farm is a intensive and standardized breeding model. Co mpared with general pig farm, large-scale pig farm can better solve environmental pollution problems, reduce resource losses, and achieve win-win situation of economic and environmental benefits. Material flow cost accounting (MFCA) is one of the most representative environmental cost management tools. Different from the traditional cost accounting, the main function of material flow cost accounting is the visualizat ion of resource loss. In view of the current situation of large-scale pig farm, this paper takes a large-sc...