This course goes through the mechanisms by which the “Healthcare Policing” during Modern Greek state era is being developed. The process of “Healthcare Policing” can be defined as the procedure that develops and arises with the birth the Modern Greek state and aims to prevent or protect the public from disease via the dissemination and enforcement of guidelines and the available legislation of the healthcare sector, thus influencing and shaping the practices that work to guarantee it. The subject looks into the establishment of disinfection centers, the systematic use of isolation at the border through the adoption of the healthcare law and the criminalization of its violation, the police and medical supervision that undertake the work of isolation within the Greek state, the establishment of hospital institutions, the cholera epidemic of 1854 and the consequent blockade of Piraeus port, the police and medical surveillance in the field of prostitution, the legalization of prostitution, the fight against venereal diseases and the forced isolation of prostitutes in the sanitarium. It also examines the conflicting process between "scientific" and "empirical" medical knowledge, the medicalization of families the focal point of which being the children, and the spread of the hygiene and school hygiene movement. Finally, it examines psychiatry, psychiatrists, the first psychiatric institutions as well as deinstitutionalization and community psychiatry in the post-war period.