Comunicare con il vecchio in difficoltà - Increase aged produces more specific dangers about health and autonomy for many old people; it is possibile to see in aged a life dicotomy: from one side autonomies, creatives, enterprising, propositives old people, from other side old people present loose of physical and mental autonomy. There are many factors that may cause with years disabilities conditions: from changes of living organism in males and females climacteric, from loneliness to alienation, from illness to institutionalized. In old age happen traumatic events, more than other phases of life, as situations about (affective, social, professional and healthy loses) that may produce clinical pain, an affecctive and cognitive decline. In old age depression and dementia represent the more frequent mental and behavioral disturbances. Of course becomes more important to learn, to analyse knolewdge and communication, suffering aged and wih his family. The relationship especially with dement, requires attention, sensitiveness, the decodification of messages, of his identity and of social relationship. Some health workers mind always to some meanings in communication that are to be analysed especially in suffering aged, with dement. Communication and understanding of old people mean give opportunities of support, of changing, of relieving painful and of its clinical symptoms.