Introduction. The Beckwith–Wiedemann syndrome (BWS) is a rare disorder characterized by a wide spectrum of symptoms i.a. umbilical hernia or omphalocele, macroglossia and above-average pre/postnatal growth (macrosomia).Aim. To present a case report of a child with BWS who underwent an early logopedic intervention and rehabilitation procedures including Bobath neuro-developmental treatment (NDT) and orofacial stimulation based on the Castillo-Morales concept (CMC).Case Report. The paper presents a case of a girl with BWS and the course of her psychomotor development during the 24 months of her life. The child has numerous defects typical for this syndrome, i.e. facial dysmorphism, macrosomia, and significant hypertrophy of the tongue as well...