Development of public health has had great impact on quality of human life since the Renaissance. Earlier, Rudolph Virchow indicated that medicine is social science, and politics are nothing else than medicine at large scale. In order to achieve healthy country, well designed health care policy is essential. Active participation of health care professionals in politics as well as policy planning is needed for the health and well-being of all people in Korea. Active involvement in health care planning can be social responsibility of health care professionals. In terms of methodology of active participation in health care policy, three folds approaches are suggested. First, to learn more in different field such as politics, public administration, and law. Secondly, to become politician and administrator actively as well as to become active voter. Thirdly, to work as a team of integration to maximize team spirit for the common good.