The scope of this paper is to bring out a philosophical interpretation of the linguistic problem of aphasia. The hypothesis that we propose states that aphasia is a specific figure of alterity. In order to argue this point of view, we do not question the normativity of norms that structure the function of language but, on the contrary, it is the analysis of the specificity of the blockages interrupting the word articulation that will help us to understand the rules underlying the order of language.