Annotation: The purpose of this Master's thesis is to describe objectively topic of medical social workers' communication in centers of post-acute care, to highlight importance and difficulty of social work with senior citizens and to propose eventual changes leading to eventual communication improvement. Social work here is complicated because senior citizens are often lonely or may have problematic family relationships or may suffer from dementia and quite often are polymorbid patients. For the thesis were used statistics from The Centre of Postacute Care - Motol University Hospital, then method of questionnaire realized with medical social workers from centers of post-acute care in Czech Republic, and method of structured interview with patients in Center of Postacute Care - Motol University Hospital.