The building was later reconstructed by the Central Government to become the Presidential Office.
民國卅四年十月二十五日台灣光復之後，國人接收了總督府，十月卅一日是總統蔣公華誕，全台軍民特將總督府改名介壽館，以為蔣公壽。介壽館在民國卅八年徵用為東南軍政長官公署。卅九年中央政府遷台後經過一番整修改裝，徵用為總統府。