The article analyzes issues related to one of the types of Internet technologies in the field of health care, electronic health care system (e-Health) in Ukraine, components and mechanism of its implementation. Information rights, the right to access the Internet and the use of innovative technologies in medicine have traditionally been referred to as the "fourth generation of human rights", the emergence of which is due to the realities of the XXI century. The medical reform introduced in Ukraine has focused on the patient in the field of health care. The purpose was to bring medical services closer to the patient, simplify the procedure for their provision (use of telemedicine), "material interest" of doctors in providing services (payment for each patient), which should improve the quality and availability of relevant services. The concept and content of the electronic health care system as an integral part of health care reform are analyzed. The purpose of which is to assist in establishing a relationship between doctor and patient regarding the proper quality of available (receiving) medical services. The functional capabilities of e-Health, positive aspects and certain "weaknesses" in the mechanism of its implementation are identified. Some components of the e-Health implementation mechanism are considered, which are: introduction of an electronic form of declarations between patients and family doctors, therapists, pediatricians; translation into electronic form of prescriptions under the program "Available Medicines"; introduction of electronic referrals, which is a part of the program "Free diagnostics"; introduction of electronic hospitals; creation of an electronic patient cabinet.