This paper presents the analysis of the problems in Social Security and Health System due to the relations of the system with its users; problems that have been neglected in the studies and in the analyses on this subject. The determining criteria and aspects that define the election of Health Promotion Entities (EPS) and health providing institutions (IPS ) by the users of Bogota are analyzed whereby free election and an informed decision are pointed out. The analysis of the qualitative and quantitative results allows concluding that the available information and the exercise of the free election are limited.