Through the present research, the theoretical-applied psychological foundations have been established, that form the basis for the identification of an alternative pathway for the development of language and oral communication in preschool children aged 5-6 years, by considering the relationship between pronunciation and memory disorders, and there has been developed, implemented and approved a systemic psycho-speech therapy intervention program aimed at recovering pronunciation disorders (polymorphic dyslalia) in preschoolers focused on language development, communication in conjunction with the memory function. The aim of the research is to develop, implement and validate the efficiency of a systemic psycho-speech therapy intervention program for the remediation of language disorders, based on the study of the peculiarities of the language development and communication related to the memory function with preschoolers. The results of the study provide a contribution to the psychological and speech therapy science with new information related to the knowledge of the relationship between pronunciation disorders and memory function, in preschool age.