The sanitary services are of quality when they lack defficiency and they satisfy the internal and external user's necessities; it is determined by conditions of the user's satisfaction, like they are: justness, reliability, effectiveness, good treatment, respect, information, continuity and confort. This study was carried out in the Hospital Edgardo Rebagliati Martins with the internal users that went to its control prevacational in the unit of Occupational Health, during the months of March to May of the year 2008. General Objective: To determine the existent relationship between the internal user's satisfaction and the quality of attention of health in the control prevocational of the Hospital Edgardo Rebagliati Martins of EsSalud. Material and method: I study descriptive, traverse, where the population in study was constituted by all the programmed workers of health that they go to ca...