1950年5月舟山群岛解放以后,国民党军仍盘踞着浙江省东南沿海的渔山列岛、东矶列岛、台州列岛、北麂山列岛、南麂山列岛。台州列岛的上大陈、下大陈岛,位于这些岛屿的中心。1950年6月,国民党军成立大陈游击指挥所,统一指挥驻守这些岛屿的部队。此后,盘踞这些岛 After the liberation of the Zhoushan Islands in May 1950, the Kuomintang troops still dominated the Yushan Islands, the East Side Islands, the Taizhou Islands, the North Jiji Mountain Islands and the Nanji Mountain Archipelago along the southeastern coast of Zhejiang Province. The Taizhou archipelago Shangda Chen, under Dachen Island, is located in the center of these islands. In June 1950, the Kuomintang army established a guerrilla command post at Dacheng and unified command of the troops stationed on these islands. Since then, entrenched these islands