Abstract The research model was evaluated police who use Knowledge of the Ministry of the Interior National Police Administration Police Intranet system. The survey data collected from 349 users. Then, TAM model was applied to conduct data analysis. The result supports our hypotheses and shows that female police perceived more bureaucracy than male. Female has more welling to use the system than male. The ages less than 35 years old are easier to learn how to use the system than age above 51. Hypotheses result shows that organizational culture has positive and significant influence on perceived useful, perceived easy of use, behavior intention, and performance. About organizational culture, police at high school education levels are more think their style is performance oriented than master education levels. Sum up, Knowledge of the Ministry of the Interior National Police Administration Police Intranet system is useful and helpful for the police.