The thesis discusses the specific therapeutic methods and techniques that can be used in the context of speech therapy for children with Down syndrome who suffer from symptomatic speech disorder. The thesis includes the complete terminological definition of Down syndrome etiology, diagnosis and detailed elaboration of the therapeutic methods. It also includes complementary therapies that contribute to the overall development of the child's communication skills. The main objective of the thesis is to analyze the speech therapy. It may be an inspiration for speech therapists, parents, teachers in kindergartens and primary schools who take care of children with Down syndrome and want to contribute to improvement of communication skills of the children. The thesis can be a starting point for further scientific work that deals with similar issues. KEYWORDS: Down syndrome, development of communication skills, speech disorder, speech therapy, therapeutic methods and techniques, orofacial stimulation, myofunctional therapy, complementary therapies, case study.