围绕大项目整体管理，首先从大项目特征、计划过程、实施和控制等方面展开论述，详细介绍了如何化解在项目实践中遇到的项目工作复杂度高、整体协调不一致、团队实施绩效低等问题，确保项目整体通过验收并如期上线，获得了较好的社会效益和经济效益，最后对项目整体管理中的几点不足进行了总结。

This paper combines with the author's practical experience, focusing on the overall management of large projects, firstly discusses the big project characteristics, planning process, implementation and control. And then it introduces how to resolve the problems encountered in the project, such as the high complexity of the project, inconsistency of overall coordination, low performance of teamwork, ensuring the project acceptance and release online on schedule, and achieving good social benefits and economic benefits. Finally, some deficiencies in the overall management of the project are summarized.