Abstract
Effective utilization of IT (Information Technology) is the necessary important management issues for both strengthen the capability of business process carried and social infrastructures by the growth of Information & Communication Technology. Humans society have to secure the totally reliable, safety and stable society based on the hi-quality information systems, importance of realization of hi-quality software product as a element of the information systems are extremely grown. Under these kind of recognitions, In this report, I would like to introduce the international standard as ISO25030; software quality requirement which have published last year, and discuss the importance of application of ISO25030 to software product development project quality improvement.