Project management three most important management objective is 『schedule, performance (quality), cost』a successful project involves a project cost, schedule, quality, scope, risk factors and other nine, when the need to do a comprehensive executive ofmanagement and control, in order to truly achieve the goals of the project management. General project management focuses on planning and progress schedule control, ignoring cost、quality. The Earned Value Management of concept included in cost control, taking into account technical performance schedule and resource planning management techniques. In this study, earned value management approach introduced into practical engineeringproject management and use the BCWS / BCWP / ACWP and SPI & CPI curve correlation using actual case study research beneficial for predicting differences in value management real engineering project management on value Significance.