Intellectual disability is characterized by below-average intellectual functioning and is not a disease. It occurs in 2-3% of the population and occurs before 18 years of age, and is more common in male populations. It can be divided on mild, moderate, heavy and deep. Her apperance can lead to prenatal, perinatal and postnatal factors. In highest percentage (75-90%) there is a mild intellectual disability. In people with intellectual disabilities, it is very important to evaluate the ability of memory, perception, attention, speech, social skills, motor and emotional development and sexuality. Contemporary models of care for people with intellectual disabilities imply normalization of living conditions and individualized support. Self-help emphasizes that all people are first foremost a person and that everyone has to show dignity and respect. Common standards on familiy life, housing, education, labor and employment are being sought throught a process of normalization, and consequently development is also being made to include people with intellectual disabilities in the social environment. Quality health care for people with intellectual disabilities includes a comprehensive assessment of people with intellectual disabilities, data collection, problem definition, definition of goals, choice of appropriate intervention for problem solving and continuous evaluation.