The Machado-Joseph disease is a degenerative disease, currently considered the most frequent spinocerebellar ataxia. The degenerative process of the disease affects several regions and functions of the central and/or peripheral nervous system. The dysphagia is one of the symptoms of Machado-Joseph disease, being responsible for the clinical complications and for the aspiration pneumonia, its main cause of death. The goal of this paper is to verify the impact of the speech-language therapy in the quality of life of the Machado-Joseph disease patients. Four patients diagnosed with Machado-Joseph disease attended to the research, three female and one male, with age average in 46,5 years-old (± 18), and complaining about dysphagia. In the first session, all patients answered the protocol of quality of life in dysphagia assessment of Quality of Life in Dysphagia, SWAL -QOL were assessed for structural and functional aspects of swallowing and classified according to Functional Intake Scale for Oral (FOIS). After six speech therapy sessions conducted a new clinical evaluation of swallowing, again classified according to FOIS and answered the SWAL -QOL. Conclusions: After speech therapy, all patients showed better concept in the field fear of eating, food as a burden and fatigue, which can be inferred that there was an improvement in satisfaction with food processes and hence the quality of life accompanied subjects.