Abstract: Based on concept for sustainable development of animal husbandry and scientific connotation of ecological animal husbandry, developed types of ecological animal husbandry were summarized all over the world. According to coupling principles of ecological animal husbandry, developing direction of grassland ecological animal husbandry in three rivers headwaters region was put forward, and the ecological animal husbandry should be on the premise of protecting ecology, aim at cyclic utilization of resources, be in the fashion of modern and green ecological stock keeping management. And then, this paper advanced optimal management models of ecological animal husbandry in three rivers headwaters' region, which was grazing in natural grassland/fattening model, grazing in artificial grassland/fattening model and silage after artificial grassland mowed and then grazed/fattening model, respectively.