Usage of a special psychology concept – chronotope of communicative activity of preschool children with delay of mental development is substantiated by the author in the paper. It is made clear, that chronotope of communicative activity is the complex socio-psychological phenomenon which is constructed by personality as a result of his / her real and virtual co-operation and communication in measuring of everyday and unordinary reality with Other, that is opened out in timeline and value-semantic continuum of life. The constituents of space of communicative activity at everyday level of consciousness that are incarnated in research of direct co-operation and communication with adults and same-year fellows are marked. The constituents of space of communicative activity have been exposed at extraordinary level of consciousness which is realized in the mediated co-operating and communication with a favourite toy and imaginary partner, with animation personages. It was emphasised that the conceptual framework of the developed concept is integrity based at different approaches, at systematic, axiology, cultural, historical; social and psychological; subject-environmental and body-based, technique scientific approaches that are synthesized in the personality-oriented paradigm of education.