摘要： 进度是软件项目的第一大风险，受到顾客和承制方的高度关注。该文概述了软件项目的进度管理机制，对历史上主要的6种软件项目进度跟踪方法：里程碑进度，人为设定活动进度，工作单元进展，挣值法，甘特图和网络图进行了比较说明，从计算公式、使用时机、使用性能和发展进化等方面指出了它们各自的特点，推荐了最佳软件进度跟踪方案。

关键词: 软件项目, 进度跟踪方法, 工作分解结构, 计划值（估计值）, 实际值

Abstract: Schedule is the top risk of software project, hence, it is a common focus on attention of customer and supplier. The schedule management mechanism of software project is described. The main six schedule tracking methods of software project used in the history such as milestone schedule, man-made activity schedule, working unit progress, earned value, gantt chart and network chart are compared and explained. Every method and its characteristics are described by explaining its calculation formulas, application time, application performance, evolution and other aspects. The best solution of schedule tracking of software project is recommended.

Key words: Software project, Schedule tracking method, Work breakdown structure(WBS), Planned value(estimated value), Actual value