The article analyses essence and features of expositional work as important direction of museum activity, conceptual principles of museum exposition and its role in study and maintainance of historical and cultural legacy and elucidation of forward development of humanity.
The exhibition work of Lviv Museum of History of Religion had been analyzed on an example of a banner exhibition “Repressed church” which is dedicated to the 25th anniversary of the legalization of the Ukrainian Greek Catholic Church (UGCC). Exhibition “Repressed church” is divided into several blocks which illustrated prerequisites, reasons and chronology of repressions against the clergy and faithful of UGCC by totalitarian Soviet regime during 1939 – 1989 years.