The textbook reflects the main issues of psychiatry of wars and disasters, describes the medical, psychological and psychiatric consequences of modern disasters, emergencies and armed conflicts, notes the features of the mental health of people in extreme conditions of life, as well as the occurrence, formation and course of mental disorders in various categories of victims and wounded. The issues of organizing medical, psychological and psychiatric care in armed conflicts and emergency situations are outlined. The manual is intended for psychiatrists, military and civilian healthcare organizers, general practitioners, as well as specialties related to psychiatry (neurologists, psychotherapists, psychophysiologists, psychologists), those undergoing training at the faculties of training for management personnel of the medical service, postgraduate and additional education of medical universities, graduate students, residents and interns.