The Changbai Mountain District situated in the southeastern part of northeast China is the most typical mountainous district of temperate region, which is abundant in natural resourcese,specially renewable resources. However,its ecological environment has become worse and worse due to the intensification of human activities.Based on the theory of ecological economy9 the article studied the structure and function of ecological and economic system of the district with systematic engineering analysis method, and also made a preliminary research on the control,in order to resolve the contradiction between development and protection of natural resources,and recover and preserve super ecological environment.The theory and method of ecological economy based on the principles of systematic science should be the optimal means for studying and researching the regional environment and finding the improving ways.The article is trying to research the optimized methed for control through the study of structure and function of ecological and economic systems of the Changbai Mountain District in Jilin Province.