Abstract: The animal production is one of original components, core productivities and identifying factors in inpastoral agriculture ecosystem, which is one of criteria of agricultural modernization as well. As a coupling system with multicomponent and multiway, animal production system owns multifunction and is a kind of sustainable ecoagriculture system with the controllable resources cycle. Role of animal production in pastoral agricultural system gradually goes forward with devolvement of pratacultural science, advancement of animal production and social demands, which multifunctionality increases, intensification of technology and management rises and system coupling is strengthened. In spite of that way of system coupling is becoming single, animal production is playing more important rolel role for farmers, regions, countries and human beings.