Abstract: Eco-ceonomic system in mountainous areas refers to that for integrated managing the hilly areas by dividing them into small scale valleys as basic unit, a rational comprehensive eco-economic system of agriculture, forestry,animal husbandary,sidelines and fishery with emphasis on forestry and fruit production is developed by suiting measures to local conditions. The concept,acceptance criterion,background and features of the eco-economic system and the importance of forming eco-economic system in integrated managing mountain districts from the results of a typical case study are presented.