Study with the objective of identifying the problems of health presented by the nurses in its work place, accomplished 85 close to (51,2%) nurses of the Net of the Hospitals of Rio Branco - Acre - Brazil, and in eight Leaderships of the Service of Nursing, with questionnaire use and glimpses filled by the authors, with regard to the ethical aspects of the research. As results 87,5% possess couple or triple work day. In agreement with the leaderships, 75,0% presented problems in the relationship humor and attendance to the patient; 62,5% complained about problems of health for the conditions of the work; 17,1% made use of medications against the hypertension, and 68,3% solemnity-medication, with use of analgesic. The found diseases were: diseases of the bony and muscular system and of the conjunctive fabric, with 34,9%; diseases of the nervous system, with 23,2% and the symptoms,signs and abnormal discoveries of clinical exams and of laboratory not classified in another part,with 22,0%, where the need is reinforced of implementing prevention programs to the nurses'health.