通过对软件项目成本估算模型研究现状的梳理分析,归纳估算模型的成本影响因子;按照算法驱动式模型、数据驱动式模型以及组合式模型的分类方法对其进行分类,重点比较各类成本估算模型的优缺点;结合当前软件项目的开发环境,讨论软件项目成本估算模型所面临的机遇和挑战,为软件组织选择成本估算模型提供了借鉴。 Through analyzing and analyzing the research status of the software project cost estimation model, the cost impact factors of the model are summed up. According to the classification method of the algorithm-driven model, the data-driven model and the combined model, various cost estimation models are compared According to the current software project development environment, this paper discusses the opportunities and challenges faced by the software project cost estimation model, which provides a reference for the software organization to choose the cost estimation model.