Stuttering is the hardest speech disorder and can preoccupy all aspects of a person's life, from intrapersonal and private to bussines and professional life. Due to its affect on emotional state of person, it's one of the hardest speech disorders to rehabilitate, because rehabilitation includes, not only speech therapy, but also psychosocial therapy to remove all of the negative consequences stuttering caused. Stuttering has its course of development and so it progresses from a simple pauses and stammering, over borderline stuttering that can simply be resolved by professional advices, to heavy, advanced stuttering that is the hardes to cure. Speach rehabilitation and treatment of stutter had been studied since the very appearance of this disorder, so the knowledge of methods of its treatment has been changing acording to scientific learnings in this field. On our territory, the Poliklinika za rehabilitaciju slušanja i govora SUVAG Zagreb stands out for its verbotonal method by professor Petar Guberina, who looks on speech as a unity that includes sound, movement, body and brain. Besides that, as a most effective and unique speech therapy in Croatia, VaLMod method by Darko Novosel, phD is based on the role of neurophysiological functions and breathing in the process of stuttering, which helped patients, not only in Croatia, but also in the whole region.