Based on the analysis of Yanqing county, this paper introduced the present situation in mountainous and arid area in the suburb of Beijing, it showed that the sustainable development in this region was mainly affected by factors such as soil sanding, soil and water erosion, unreasonable production structure, lower production and processing level, it also referred that devoting major efforts to the green planting and animal husbandry by establishing green and safe trademark and constructing the base of production was the sustainable development direction in this region. The strategies suggested included emphasizing the reasonable utilization of resource and ecological protection, adjusting production structure by forming characteristic and leading industrial project, integrating industrialization component, and starting the construction of leading industrial and sustainable project.