Abstract
It has two aspects in Modern Project Management Era. One is that project faces more and more difficulties. Another is standardization of project management makes steady progress. In this era, PM tool is not just a tool of increase in efficiency and the improvement in productivity, but PM tool fix the knowledge and technique and complement a process. This paper summarized the four roles for the elements of PM tool in Modern PM Era, and I will mention how important is to deploy tool in the organization with the Trinity; Function, Process and Professional Development.
