Ecosystem health is very relational to environmental management. Ecosystem health is the aim of environmental management. Ecosystem health provides new thoughts and new methods to environmental management. Healthy ecosystem is a fundamental basis to realize regional sustainable development. The succession process of ecosystem health is the preparation to optimize environmental management. At the same time, optimized environmental management provides macro decision-making and social and economic ensurance for ecosystem health. From the view of subject development, this paper deals with the background, theoretical fundament and application process of ecosystem health and also deals with the relationship between ecosystem health assessment and environmental management. The paper puts forward the aim of environmental management: healthy ecosystem-->healthy environment-->healthy foods-->healthy human ecosystem-->healthy social development.