The public Archive, the Library and the Museum is local of research and entertainment, but also possesss an important function very as for the guard of the public memory. Then, as to speak of memory in a state where the Law of Legal Deposit is not marked, where the Archive if summarizes to a deposit of useless things and good part of its population is unaware of the Museum. We are involved in a vicious cycle of comodismo, unfamiliarity and indifference politician who wounds seriously our memory and in becomes them other people's everything that is produced. The work aims at to demonstrate the causes of the problems mentioned as well as its consequências for the society, therefore in our comments we perceive that the memory of the state of the Piauí runs the risk of being forgotten, due to small importance that the state to give for these places. So that we could understand this reality and to present resulted we made use of the writings carried through for Mayan (2003), Campelo (2003), Wehling (2003), Andrade (2010), as well as visits to the places cited here and application of questionnaires with the population of the state of the Piauí. Our studies disclose a reality surprising, therefore one high level of unfamiliarity of the population in relation to these institutions and the indifference of the responsible authorities of the same ones is evidenced ahead.

Keywords: Memory. Preservation. Patrimony.