This research is aim to know the influence of e –procurement and efectivity internal control toward fraud previestion at government in east java. Mojokerto and sidoarjo regency. Primary data for this research are obtained by fill questionnaires. The analytical statistics used in this research are descriptive statistic, validity test, reliability test. While hypothesis tested with double regressions analysis, correlation coefficient, determinasion coefficient, t test, f test , by use SPSS 18. Based on the result of the test, can be conclude that e procurement partially not influence to fraud prevention with value 0,046. While internal efectifity control partially influence to fraud prevention with value 6,177. Finally, e procurement and efectivity internal control simultantly inflence to fraud prevention with value 21,440.