This research paper entends to aboard the aplication of nursering cares in administrating drugs in a certain University Hospital in Rio de Janeiro city. The analyses made through the description method with a social investigation and bibliographic technicals, made use of the application of formullaries papers to the population iin the period of April/1985. ,The conclusion led to proposed objective and that the level of knowledge about the farmacologycs principle, which express the professional qualification was identified as insufficient among the researched population.