In this work, it is shown the importance of the play and a family in the play of the preschool children which represents the first child contact. Game is the most important activity in the phase of growing up and with it ,it builds identity, identifies with adults, explores and develops in every respect. With a play , it learns to communicate with others, behave culturally, learns understanding and having an emphaty and develop all its competence. For all of that, a child needs help from its family who must be an example for him, a support and a friend. Each activity where parents participate means a lot to a child. What a child learns in a family and what it develops in a childhood, leaves a mark in an adult age. The aim of this work is to show the importance of participate family in children's life and show how the play affects on a development because everything that the child learns, learns through the play. Major factors are certainly love, safety and trust which child must feel in a family environment to function positive.