The Governor's Office of the Three Eastern Provinces was the location of important military and political institutions in Northeast China during the late Qing Dynasty and early Republic of China. It was also another well-known large-scale government office complex in Shenyang, Shengjing, after the Qing Dynasty Imperial Palace. The Governor's Office of the Three Eastern Provinces has gone through a century of ups and downs, witnessing and carrying the historical process of Shenyang and even the entire Northeast region in the turbulent years of modern China. It has important historical and cultural value and architectural cultural value. The former site of the Governor's Office of the Three Eastern Provinces has now been designated as a provincial cultural relic protection unit and is open to the public as a museum.