Due to the demographic evolution, emergency departments are more and more frequently a place of consultation of the elderly. Indeed, the elderly represent approximately 10 to 20 % of all the passages in emergency department and 50 % of the patients hospitalized during the passage in the reception of Emergency department are elderly. Elderly care is difficult for a certain number of reasons (vulnerability, accumulation of pathologies and treatments). So, in this context, the evaluation of the presence of pain and its care are difficult in particular at the elderly with communication disorders.