The Hong Kong Department of Health is a government agency responsible for public health in the region. It aims to protect and promote the health of the population through various services, including disease prevention, health education, and health regulation. The department also oversees the licensing of healthcare professionals and facilities. Additionally, the department plays a crucial role in responding to public health emergencies, such as outbreaks of infectious diseases. It collaborates with other organizations, including the World Health Organization and local hospitals, to ensure effective health management and policy implementation in Hong Kong.