From a systemic approach, the family can be understood as a structure in which each of its members have a specific role. If one of them gets disjointed from the family system, the internal dynamics decays and increase the risk to present a familiar crisis. Today different social changes can influence the structure of the family and affect the normal function of its system. The natural changes of the life cycle, the inadequate development of a communication model, the absence of rules and limits and the Prevencion de la Crisis en los Sistemas Familiares 7 disintegration, expose the family to structural crises. Proper guidance and family education could prevent these crises. Systems approach, family crisis, family communication, family rules, family organization. Prevencion de la Crisis en los Sistemas Familiares