In order to deal with and resolve contemporary problems of the health services and health care it is important to outline their concept, contents and definition as well as those of their fundamental constituents--the material, technical basis, workers and their activities, which determine the state health policy. The author analyzes from this aspect the hitherto accomplished development with regard to all basic constituents and discusses the problem of the relationship of the intensity and extensity of activities of the health services and health care. A foremost part is played by medical is played by medical science--medicine, its state, knowledge assembled by students during their undergraduate studies and medical graduates during their postgraduate training. A substantial and decisive component of the health services as regards therapeutic and preventive care is formed by health workers and the quality of their work which depends on objective as well as subjective factors which are analyzed. Health services do not comprise only practical activities but social medicine and the organization of health services are very important scientific disciplines which participate in the quality of activities. This scientific discipline was founded by prominent personalities. It must be stated that in practical medical work leading authorities do not always respect the scientific character of the discipline and thus very complicated problems arise as regards scientific control. All these problems from the aspect of the department of social medicine and organization of health services as well as subjective and scientific control must be resolved from the aspect of reconstruction of society.