The Union cherishes national culture, stimulates political and economical reforms and strengthening of Lithuania's defense potential. Other important tasks include liquidation of consequences of Soviet occupation and communist - inspired genocide of Lithuanian nation as well as restitution of the historical truth about the resistance to occupation. While implementing its ideas, the Union attaches priority to cultural activity and cultural events. Song festival 'Let Us Go to Motherland' is held regularly. Fighters for Freedom' event is celebrated each year.
Many divisions posses their own choirs and other amateur art groups, museums.
Vilnius, Kaunas, Marijampol , Alytus, Panev ys have larger museums of genocide, resistance and deport. Hundreds of monuments and several memorials have been built by efforts and means of the Union is memory of the killed Lithuanian partisans and the tortured to death fighters for freedom. The Union has a group of historians who collect, study and publish resistance materials, are engaged in museum work, publish magazine 'The Archives of Fighters for Freedom', a weekly 'The Deportee', reminiscences of deportees and partisans. The highest management institution of the Union is the Congress of Representatives. The Council manages the Union during the period between congresses.