The present study it had as objective to identify the perception of the nurses who act in UTI front to the seriously ill patient, in view of that the theory is an instrument who evidences the facts, is necessary to make use of one of them when a research is become fullfilled, then the present work has as referencial the humanistic theory of Paterson and Zderad.Adotar the process to take care of of the Humanistic Theory is to work with the practical one of nursing from the experiences that involve the nurse and the receiving person of its care, necessarily articulated between itself. However, to define the essence of the humanistic nursing does not constitute easy task, therefore it depends on existenciais and fenomenolgicas experiences of the involved individuals, endowed with values, conceptions, myths and expectations ahead of experiences (LUCIO, PAGLIUCA, CARDOSO, 2008 P. 173) Therefore the essence of taking care of in UTI this come back toward the taking of decisions, based on the physiological and solid conditions of the patient, leading in consideration the humanizao of the care of nursing (VILLAGE; ROSSI, 2002). Thus the humanizao is a process that becomes the assistance accomplishes the seriously ill patient considering the human being as a whole, with actions directed toward all involved in the health process – the illness of the patient. (VILLAGE; ROSSI, 2002). The Nursing is the art and the science of taking care of, to take care of of people! so that this is viable is necessary a process of interaction between who takes care of and who is well-taken care of, is necessary exchange of information and feelings between these pessoas' ' (ZINN, HISSES AND HISSES, 2003, p.327). Thus being, one searched with this work to identify the perception of the nurses who act in units of intensive therapy front to the seriously ill patient.