As national civil servants, policemen are characterized to enforce laws on behalf of the nation. Honest enforcement can not only guarantee honest administration and justice, but also influence on business affairs’ honesty and social honesty. Incorruption in law enforcement is a kind of political ethical culture, enforcement value culture, and morality honest culture. It is the moral basis and value standard for policemen incorruption in law enforcement. It is necessary and significant to promote greatly incorruption in law enforcement, enhance the policemen moral quality, cultivate the core value for policemen, and create a good cultural atmosphere for incorruption in law enforcement.