Rights are demands for something, where a person has rights such as power and special rights in the form of demands based on justice, morality or legality. Obligation is a set of responsibilities for someone to do something that must be done. In the United States, nurses are increasingly being accused, according to (NPDB), from 1998 to 2001, the number of malpractice payments made by nurses increased from 253 to 433. This study aims to determine the knowledge of students about the rights and obligations of nurses in the field of health services at STIKes Medan Hajj Hospital in 2011. This research uses descriptive design. The population in this study were all D-III students nursing STIKes Medan Hajj Hospital Academic Year 2010/2011 2011 semester IV and VI, amounting to 103 people. Samples taken using. total sampling technique. Namely, all students of study program D III STIKes Haji Hospital Medan Academic Year 2010/2011 semester IV and VI amounted to 103. Data collection was carried out using a questionnaire that was processed through the process of editing, coding, tabulating, scoring, and data analysis. From the results of research conducted from 103 respondents, the majority of respondents obtained knowledge about the rights and obligations of nurses in the provision of services the majority of knowledgeable is 67 people (65.04%). The conclusion of this paper is the knowledge of students about the rights and obligations of nurses in the field of health services at Medan Hajj STIKes in the medium category, because nursing ethics courses were only studied in the fourth semester and the lack of experience of students interacting with clients and nurses in hospitals. Therefore it is expected that institutions will increase the practical schedule at the hospital.