ABSTRACT In this investigation, has been examinated the administration of the peruvian penal justice by analyzing the penal process models and the legal procedures used in the juridical normativity and it has been designed a model called “an integral guarantist penal process model” as an alternative to the models presently in force. The applied penal process models and their juridic normativity since the colonial epoch up now (about five centuries) have been evaluated and reformulated some basic notions of the administration of penal justice and integrating their components by taking as reference the national empirical reality (specially the socio-economical one), the legitimate interests of the great majority of people of the country and the democratic- juridic principles of the right and justice in its integral and guarantist context (legal juridic or formal, sociological and axiol...