Abstract:Sudden man-made disasters are unpredicatable and unresistable, and may cause catastrophic distruption and loss for the community and individuals. The individual response and collective reaction to man-made disasters are distinguished from natural disasters in its severity, trajectories, and underneath functions. This paper reviews the psychological and behavioral reactions to sudden man-made disasters at both individual and group levels, specifically focuses theories and practice of crisis intervention and post-disaster psychological assistance. Working models of disaster management and post-disaster psychological intervention are discussed. Understanding psychological aspects of man-made disasters has significant implication in promoting the capability of preparation, prevention, and effective response to such disasters.