Children with disabilities have persistent special needs that include inborn and acquired states of the body, with a professional approach necessary for the overall development of the child. For children, the pre-school period is one of the most important pedagogical periods, so children with disabilities need to provide professional guidance that will enable them to develop their full potential. In the context of education, segregation, integration and inclusion are related to children with disabilities and each pedagogical course works in a different way. First of all, parents are the most important factor in the lives of children with disabilities. A family community is as a community that gives love to the child, enables its growth and development, and satisfies all of its needs. Parents of children with developmental delays become during their child's education and upbringing, for a better development of their child, not only students but also educators. Furthermore, the educator is one of the most important pedagogical structures in the life of a child with developmental delays. Its competence greatly contributes to the development of the cognitive, social, physical and emotional abilities of such children. Research has confirmed that a modern educator stands out for his continuous professional training as well as a lifelong learning. Such a trainer possesses the abilities, knowledge and skills, which are reflected in the results of his practice. By co-operating with parents and educators, human and professional competencies are linked, resulting in quality practice and the most important, happy child.