The use of prone position in patients with Adult Respiratory Distress Syndrome is becoming a more and more habitual therapeutic measure in the units of Intensive Care, for what to have appropriate Nursing protocols will improve our professional performances. This article seeks to modernize knowledge by means of the practical experience and the bibliographical revision about Adult Respiratory Distress Syndrome, of the prone position and its effects on the organism, as well as the prone technique and the Nursing cares of the patients in prone position. It is propounded a detailed technique in steps, to carry out the prone position in a sure way, an itemized revision on the posture of the patient's maintenance in prone position and a Nursing cares protocol for the patients located in this posture.