Introduction to the old site of the Northern Bureau: The Hundred Regiments War entered the third stage. The Eighth Route Army Headquarters and the Northern Bureau of the CPC Central Committee and other leading organizations were stationed in Matian Town, Liao County. Here they shouldered the historical responsibility of the Chinese nation to resist foreign aggression until The victory of the Anti-Japanese War was the most arduous period of the War of Resistance. The Japanese army carried out crazy "mopping up" and implemented the "Three Guangs" policy. The Kuomintang continued to create "frictions". In addition, droughts and locust plagues continued. Natural and man-made disasters struck the base areas one after another. The leadership of the Communist Party It was in such a difficult and difficult environment that the Eighth Route Army led the soldiers and civilians in the base area to overcome difficulties and move towards victory.