The invention discloses a project management system. The system comprises a man-machine operation module, a manpower resource management module, a data collection module, a project plan scheme output module, an artificial expert module, a digital model building module, a virtual actuator, a virtual parameter module, a project plan scheme optimization module, a transfer node module, a plan scheme recommendation module, a project completion condition confirmation module, a holographic projection system, a project finance management module, a project comprehensive management condition assessment module and a central processing unit. According to the system, a perfect total solution is provided for management of project items through a mode of a computer information platform by taking mature informationized and networked technologies as means, detailed management of persons, materials and machines of a project is achieved, comprehensive system management is formed for various businesses, project management level is greatly improved, project management and construction costs are reduced to a relatively great extent, and falsification of a few positions is avoided, so that the project quality is effectively guaranteed.