虽然人类从事项目管理的历程已经有上千年的历史,近代的项目管理也有近百年的历史,但项目管理的现状无论国际还是国内都不容乐观。根据权威资料显示,2005年全世界有23%的项目被迫取消,49%的项目超期或超支,只有大约28%的项目顺利完工。从这些统计数字中不难发现,项目的成功完成率并不是很高。我们通过项目实践认识到, Although mankind has been engaged in project management for thousands of years and modern project management has a history of nearly a hundred years, the status quo of project management can not be optimistic both at home and abroad. According to authoritative sources, in 2005, 23% of the projects were canceled in the world, 49% of the projects were over or over extended, and only about 28% of the projects were successfully completed. It is not hard to find out from these statistics that the project’s successful completion rate is not very high. We recognize through project practice,