Yamaguchi prefectural university has acquired Eco-Action 21, a standard of Environmental management system based by Ministry of the Environment since 2006. It is important to build a sustainable society, which achieves low-carbon society, sound material-cycle society and society in harmony with nature. 1)Our life is supported by exhaustible resources, fossil fuel, rare metals and so on. We have been measuring and recording of waste emission the university between 2006 and 2015. We tried to analyze of change the general waste emission in our university.