Abstract
The purpose of this research is to propose the stake-holder management by making of the requirement definition exquisite. The stake-holder management is classified into making of the requirement definition exquisite, the progress management which customer needs are considered, and the introduction of the problem solving system into the project management. In the research, the features of the failure of many projects are investigated, and then the relationship between the results of failure analysis and the project management body of knowledge are analyzed. Next, both techniques the design to customer needs and the purpose measure diagram are applied into the decision of the requirement definition. In the research, the new technique for the decision of requirement definition is proposed.
