Administrative corruption is one of the problems with which most societies are tackling with. Nowadays, the approaches are emphasized most that try to prevent such phenomenon rather those exerting punishment to offenders. Current research investigates the role of organizational culture as one of preventing factors in decreasing administrative corruption. Current research is a practical research from goal perspective and according to its nature is a descriptive survey. First, the most important cultural factors were extracted with the help of 30 of Tehran’s administrative experts. Since the statistical population was unlimited, 373 administrative experts were chosen as a sample and the most important normal and behavioral patterns were extracted from cultural factors using closed questionnaires. The most important cultural factors affecting administrative corruption are as follow respectively: organizational values, sociability and individuation, behavior control, personal values, fundamental values and motivational methods. This research suggests prioritizing cultural approach beside structural and disciplinary approaches.