This article examines the crucial role of crisis intervention models in the context of social work, especially in the study of the institution of large families. Contemporary society undergoes rapid changes, which can lead to crisis situations for many families, particularly large families. The aim of our research is to analyze how crisis intervention models can be effectively applied by social workers to address issues related to large families.                                               We conducted a review of existing literature and carried out empirical research, confirming the relevance and applicability of crisis intervention models in this context. The research findings indicate that crisis intervention models provide social workers with the necessary tools and approaches to provide effective support to large families during times of crisis and change.                      Key aspects of our study include an analysis of typical challenges faced by large families and the proposal of specific strategies and methods to help them overcome difficulties. Our results hold significant value for the practical work of social workers, enriching their toolkit and contributing to the improvement of family well-being in society.This research is intended to contribute to the development of effective approaches and policies in the field of social work with large families, strengthening their stability and well-being in diverse situations.