Hospitals are medical institutions that carry out the necessary medical examinations, therapeutic measures, nursing techniques, reception services, rehabilitation equipment, rescue and transportation for patients in accordance with laws, regulations and industry norms, with the main purpose of saving lives and helping the injured, whose service targets include not only the symptomatic sick and injured, but also those who are unable to take care of themselves or whose activities are limited by the dependence on medical care. Elderly people, forensic assessment of medical care dependence or unstable condition requires long-term rehabilitation often observation and inspection of the seriously ill and injured, or other specific circumstances and people, such as healthy people (such as pregnant women, mothers, newborns) and completely healthy people (such as people who come to the hospital for physical examination or oral hygiene), was initially set up for shelter, but also has entertainment programs, so that the visitor is comfortable, with hospitality intentions. Later, it gradually became a specialized institution for the reception and treatment of patients.