强烈地震给人民生命财产带来重大损失，灾后重建工作任务急且十分繁重。管理者需要对重建工作做出全面科学的决策，按照以人为本、科学规划、统筹兼顾、分步实施、自力更生、国家支持、社会帮扶的方针，对投入的巨大人力、物力资源进行合理分配，以实现其最大效益。文章运用系统建模思想和统筹计划方法对这一问题进行了理论探讨，从灾后重建的全局角度出发，建立了重建项目的优先排序和满足资源总限量的项目决策数学模型，在理论上为重建工作的合理统筹规划提供了支持，以期对决策者有所启迪和帮助。

Strong earthquake brings great loss to people's lives and property, post-disaster reconstruction task is urgent and arduous. Managers need to make a comprehensive and scientific decision-making according to the principle of people-centered, scientific planning, overall consideration, step-by-step implementation, self-reliance, national support and community help,and make reasonable distribution to the huge input of human and material resources to achieve their maximum effectiveness. The paper uses system modeling ideas and methods of co-ordinating plans to explore this issue, from the perspective of post-disaster reconstruction overall situation, establishes a mathematical model of reconstruction's prior recorder and meeting the limited resources,and offers theory support to reconstruction task's reasonable statistics planning, with a view to enlighten and help decision-maker.