Abstract
In the software development project, it is important how to secure the quality. In this research, the quality of the product according to the progress on the project and the quality in the process are observed, and evaluated. This is defined as a quality value. The quality value adds the quality evaluation of the process to the quality evaluation of the product. As a result, it is shown that the trading volume of the quality is appreciable by C and D. And, it is shown to be able to introduce the quality value into EVM and to understand the state of the project.