Under the System of Fully Competitive Economy, It Emphasize the Concep t of Cost Benefit, Since the Financial Foundation System Had Put Practice in the NOU, This Essay Therefore Try to Make an Analysis on the Curriculum Cost Benefit on the First Semester of 1996. According to the Model in This Essay, the Surpus or the Deficit is Equal to the Amount of Revenue Deduts those of Expenditure, Trying to Get How to Keep Balance between the Curriculum Cost and Student Number in the Courses of Calculation. This Essay not Only Try to Make an Analysis on the Case Study of Cost Benefit, But Try to Calculate the Accuracy on the Revenue and Expenditure, in order to Well Control the Financial Policy in NOU.