To inform choices about the future of people who study public health and preventive medicine, the current status of public health is examined in terms of the public health sector in government. After tracing the major achievements of public health in the modern era, this paper explores the potential of public health and its core functions, which is realized by public health professionals working in the government sector. Finally, this article highlights the international dimension of public health, which is becoming increasingly important and therefore attracting many people who would like to take part.