Introduction to the Documentary Exhibition of the Nianzhuangwei Battle of Annihilation: The Nianzhuangwei Battle was conducted by two major field armies in East China and the Central Plains. In compliance with the Central Military Commission’s operational policy on the Huaihai Campaign, it carried out an attack on the Kuomintang’s Seventh Corps from November 6th to 22nd, 1948. Encirclement and annihilation battle. In the battle of Nianzhuangwei, the East China Field Army fought step by step and fought bloody battles; the Central Plains Field Army unexpectedly won, conquered Suxian County, and cut off the connection between Xuzhou and the enemy in Bengbu; the uprising of three and a half divisions in the Third Appeasement District crushed Qiu Qingquan and Li Mi The eastward aid from the two corps and the vigorous support of the people relieved the troops from worries. At this stage, more than 178,000 soldiers of the enemy's Seventh Corps were wiped out, the Lieutenant General Commander of the Seventh Corps Huang Baitao was killed, and the vast area east of Xuzhou was liberated, creating extremely favorable conditions for the development of the Huaihai Campaign.