This diplomawork "The consequences of the institutionalization of the senior in residential facility" is based on a comarationof a researchamong two senior groups - living in his or her own homeenvironmentor in residentialinstitutional facility. The theoretic part consists of fore chapters: Ageing, Health as a Value, A Work with Seniors in Different Environment, The Impact of institutionalization on Seniors. A literary analysis of studied scholarly literature is based on the diploma work task, taking the practical needs into its account. The main general goal of a research part is to evaluate a perception of ageing. The main general goal of the research part is to survey the perception of ageing, risks and limitations related to overcome from home to institution percieved by seniors coupled with possible pros and cons. I used a questionnaire for my research. During the data acqusition I was influenced by my long practise with seniors in residential facility and my personal interest in the issue of fundamental change in senior's life.