In the article the question of formed of playing activity of preschool child is outlined as an important condition of successful readiness of senior preschool child to the studies at school. It is marked that game, playing activity is the optimal means of all-round development of child and she is the livelihood of preparation of child, to her socialization. An accent in playing activity is done on acquisition of skills of communication, qualities of necessary for establishment contacts with peers. An author reports an idea, that the formed for the child of preschool child of playing activity – it an only way that provides a good start for a capture educational activity.