我国是一个多山的国家 ,山区经济的发展在整个国民经济发展中占有十分重要的地位。本文从生态工程原理出发 ,分析了生态工程对于山区持续发展的意义 ,设计生态工程对策时应当遵循的原理与注意的主要问题 ,并对山东省五莲县复合生态系统工程总体框架 ,以及产业结构调整和产业发展生态工程、资源与环境生态工程和生态调控与管理工程等进行了讨论 ,对于实现丘陵山区农业持续发展具有指导意义 Our country is a mountainous country, and the development of mountain economy occupies a very important position in the development of the entire national economy. Based on the principle of ecological engineering, this paper analyzes the significance of ecological engineering for the sustainable development of mountainous area, the principles that should be followed when designing ecological engineering countermeasures and the main problems to be paid attention to. The paper also analyzes the overall framework of composite ecological system in Wulian County, Shandong Province, Adjustment and industrial development of ecological engineering, ecological and resource and environmental engineering and ecological regulation and management projects were discussed for the sustainable development of agriculture in hilly areas with guidance