Discourses on the Pancasila legal state conception has been long time to be issues in several academic and scientific forums that is not finally discussed and debated. This article is exploring the problems: (1) why a legal culture is important in national legal system development? (2) How to understand the culture? (3) How the culture in the Public Mining Law? Based on the problems, it can be decribed that the crucial of legal culture in national development caused by public as a target of regulation and the imposition of punishment. In this case, it should understand the culture as a basis for the basis of national legal system by putting the Pancasila values to be united. In the context of public mining, Pancasila legal culture is manifested by the imposing its values in the public mining. The Pancasila’s Legal Culture in Public Mining Law as A Part of National Legal System Development