Abstract: The grassland resources in Naqu region of Tibet were lack of effective protection and scientific management and unilaterally pursued the number of livestocks in long-term traditional management mode of animal husbandry, which led to severe overgrazing phenomenon. The severe overgrazing phenomenon resulted in aggravated degradation of grassland resources, so it was difficult to maintain the sustainable development of grassland animal husbandry production. The existing problems in the current protection of grassland resources in Naqu region were discussed. And some suggestions were proposed for the protection and sustainable development of natural grassland in this region, so as to provide references for strengthening the grassland management, developing the ecological animal husbandry, achieving the harmonious development of grassland animal husbandry and the ecological environment of grassland.