The Strategy of Educational Training to the family for the prevention of fear manifestations in four or five year old children attended by the non-institutional way of Preschool Education is the result of a research developed by the author in her work context. It is based on the following scientific problem: How to favor the non-habitual manifestations of behavior in four or five year old children attended by the non-institutional route of Preschool Education? Its objective is to elaborate a strategy to prevent the manifestations of fear and to overcome the family inadequacies that affect children's behavior. Theoretical methods such as the historical-logical, analysis-synthesis, induction-deduction and the system approach were used, as well as empirical methods such as observation, survey, interview and experiment, complemented by descriptive statistical tools. The strategy applied significantly improved family preparedness, positively influencing the emotional development of the children at home.