This work is based on the concept of bilingualism and its development. More than half of the world's population is bilingual, so it is not surprised that it is the subject of numerous studies. Many people wonder when it is best to start with bilingualism, and it is certainly important to use the child's early development in which they will easily and quickly learn the basics of a language. This development needs to be constantly monitored to make sure that the rule is unfolding and without the language difficulties that may then arise. Bilingualism offers a number of advantages related to culture, knowledge of their traditions and customs, the way that community functions, the language in which they communicate. It is important to adopt all this in order to be competent to talk to people from your community and to preserve your tradition and pass it on to your descendants. It is also a great advantage that cognitive abilities are more developed, more creative and more skilled in communication. The role of the educator is important because he is a model in the way of behavior, support and support in various activities and he will provide the child with everything he needs for his further development in a stimulating and interesting way. The role of peers is also important in a stimulating environment, because they will have the opportunity to learn from each other and provide an unforgettable stay outside the family home. The most important encouragement of parents is indispensable because they will enable their children to grow up safely and carefree and they will decide how to raise them and in which languages they will communicate with their child.