Introduction: The relationship between doctors and patients in health services is currently changing from a vertical pattern based on paternalism to a horizontal pattern. Patient has right to health care, which cannot be separated from the right to obtain information and the right to self-determination. Openness in the form of transparency is one of the efforts to realize rights and obligations of doctors and patients. The purpose of transparency is for the sake of patients’ safety and also the health care professionals’ safety. Methods: The type of research in this paper is normative juridical by using the legislation approach, the concept approach, and the comparative approach. Results: Trans- parency in doctor-patient relationship consist of openness about the diseases and it’s management, including also related to complications and unexpected events. Proportional justice together with other principle of justice can be applied in doctor-patient relationship. There is still a lack of norms governing transparency and communication in the doctor-patient relationship. The lack of transparency is often a source of conflict in the form of medical disputes. Proportional justice. Conclusions: Transparency in the doctor-patient relationship cannot be contradicted with con- fidentiality. Transparency is prioritized to realize patients’ safety but in its implementation must still pay attention to medical ethics. Effective communication that starts from trust will lead to transparency to create justice for both doctors and patients, also to reduce the risk of conflict in the doctor-patient relationship.