This research aims to clarify and examine about the effectiveness of Unit Layanan Pengadaan as assessor in e-procurement. The aims of this research is analyses the result and the way of ULP and LPSE in preventing the miss operation in the job. The other significant aims are to clarify about the assessment values that should be implemented by the ULP officer. Even though, the assessment values should be deceived by the effectiveness. In addition, this research aims to analyses the problems faced in implementing e-procurement. The implementation of E-Procurement that rises every year will affect the social impact. Therefore, Therefore, the hypothesis that e-procurement affect the effectiveness of both of department in e-procurement should be implement the job better. Second, the effectiveness also causing the better financial management.