Nobody doubt that whichever better informed the citizens, healthier will be the habits and attitudes of the greater generations and will be the possibilities of obtaining the development for the well-being of all. With such intentions the present work was developed, to consider to the professors of Epidemiology fundamental pillars in the development of the preventive medicine, it bases fundamental of our National System of Health, and to thus be able to contribute to obtain the pertinent changes in the country, agreed with the objectives, intentions and directives of the Cuban health for year 2000. With the present work the authors want to contribute to the knowledge of the necessities of scientific information of the professors in the area of epidemiology, and to identify the main necessities of scientific information prioritized by the professors in that Science.