This research looked for to verify which Soon the informacionais necessities and the ways adopted for the resident doctors it Aid it University Hospital of the State University of Native of London in the search of information for the development of the practical clinic. The research was characterized as descriptive and the data had been collected by means of a questionnaire with open and closed questions. 25 resident doctors had participated of the research of which 12 of masculine sex and 13 of the feminine sex, with minimum age of 24 years and principle of 30 years. The collected data had been represented by means of graphs, pictures and tables. The results indicate specifically that the searched resident doctors feel necessities of scientific information to decide clinical questions, when if it relates to the diagnosis and the medicamentoso treatment and attribute a significant value to the teachers when they are come across with difficulties during the emergency attendance. The resources on line and the particular quantity also are very used in the information search. As for the search of the information, they prioritize the urgency in the clinical case and apply the scientific information searched to increase the knowledge level. The recommendations, if respected, can supply to subsidies posterior actions, aiming at to the improvement of the services and products of the library. Word-key: Information in health. Informacionais necessities. Search of the information.