After the application of the questionnaires, had a quantitative analysis and comparative it enters the series of first and third years, of the gotten answers, and the application of the test of significance to test the validity of the hypothesis, later a distribution of the data in graphs for one better visualization and quarrel of the same ones, thus collaborating for possible works of intervention next to the users and publication of the results gotten for informative end to the academic community. ANALYSIS AND QUARREL OF THE DATA With the application of the questionnaire it was possible to also raise some partner-cultural characteristics of the users and of the total sample of colleges student, being that here alone the referring data to the sample of the users of drugs will be argued. It was arisen, then, that the majority works (62%), they prefer to use the Internet in the free hours (44%), to leave with the friends in the week ends (88%), being that these friends nor always are the same ones of classroom. How much the places that costumam to frequent, the majority prefers the house of the friends (78%) the consumption alcohol (94%) in these places, being considered possible also the consumption drugs, and amongst these, marijuana appears with the biggest index (58%). As for the experimentation of illicit drugs it is had that 22.94% had answered yes and 77.06% not (Graphical 1). Amongst that they had answered yes, 46% are in 1 year and 54% in 3 year (Graphical 2). Amongst the drugs, the most designated it was Marijuana with 80% (Graphical 3), being that 1 year presented 73,91% index and 3 year 85.19% with respect to marijuana. These data are condizentes with the research of Barros (1992) and Magalhes (1991), that they demonstrate marijuana as the more used illicit drug for colleges student and also for adolescents, as shows Carlini (1995).