The purpose of this paper is to raise awareness about the future vulnerabilities of hospitals. It is based on current literature on hospital organization and management, open sources, personal experience and estimations of the author The hospital is defined and a classification is made based on structure and functionality. Vulnerabilities vary according to the profile of the hospital, and they can be internal (weaknesses) or external (threats). The internal vulnerabilities can be conceptual, structural and functional weaknesses. The external vulnerabilities can be general or specific threats. Every vulnerability is described in the context of various types of hospitals, and possible counter measures are suggested. Hospitals’ weaknesses emerge from their lack of flexibility and competitiveness and from their structural and functioning flaws. Most frequently, the threats menacing hospitals derive from epidemiological change and lack of resources, an unbalance between the demand for and the supply of care. To overcome their vulnerabilities they need to take specific actions and be supported by the Ministry of Health. The paper provides managers and policy-makers estimations regarding hospital vulnerabilities, suggesting also possible actions to reduce these vulnerabilities or their effects. Keywords: hospital vulnerabilities, weaknesses, threats.