社会等级作为动物资源分配机制的调节因子，常导致群内成员间优势资源占有比例的不平均分布而形成资源优先权的个体差异，能够实现受益最大化的个体获利性行为策略是我们十分关心的问题。通过野外投食招引猴子进行近距离观察，在个体识别和等级关系确认的基础上，我们通过对分布于秦岭观音山自然保护区大坪裕景区颜家沟的川金丝猴群一雄多雌社会单元（OMU）内资源占有的数据收集与资源竞争的行为学观察，确定雌性川金丝猴等级受益的特点，分析社会因素影响等级受益不均衡的机制，建立重层社会体系下不同雌性的利益获取模式，明确群体的优势资源分布格局，验证Leinfelder提出的“优势资源偏斜模型”，揭示川金丝猴为获得自身受益最大化所采取的获利性行为策略，回答灵长类等级受益率与个体类型在进化中的有关自然选择的理论问题，促进重层社会灵长类物种社群维持机制探讨的深入与完善，为动物饲养与繁育部门制定管理方案提供科学依据。

Dominance rank is a common resource-regulating mechanism in group-living animals, influencing the proportion of advantageous resources possessions among individuals, and leading to individual differences in resource priority. We examine which behavior strategy will be adopted to maximize benefits. By attracting monkeys via feeding, we will observe individuals closely. Based on individual identification and hierarchical relationships, we selected six one-male units (OMUs) of provisioned Sichuan snub-nosed monkeys as targets. By collecting data on resource possession, and on extent of competition behavior on advantageous resources, we examined the characteristics of female rank-related benefits, at the Dapingyu scenic spot in the Guanyinshan Nature Reserve on the south slope of Qinling Mountains, China. We aimed to examine any correlation between the composition of the OMU, or friendly alliances between individuals, and rank-related benefits, and to analyze the factors that influence rank-related benefits. We examine whether Leinfelder’s advantage resource skew model is applicable to this species. Furthermore, we attempt to determine the most useful behavioral strategy employed to maximize benefits in Sichuan snub-nosed monkeys. Ultimately, the research will address problems associated with the theory of natural selection about the evolution of primates regarding the rate of rank-related benefits and the types of individuals involved. The findings will also contribute to more in-depth understanding of resource allocation strategies, as well as the development and improvement of social organization and structure, in Sichuan snub-nosed monkeys. The results will help to provide a scientific basis for the creation of a management scheme for animal feeding and breeding departments housing Sichuan snub-nosed monkeys.