1934年10月下旬,中央红军长征突破国民党军第一道封锁线(位于赣州以东、沿桃江向南,经大埠、王母渡,转向东南,经韩坊、新田等地)进入广东,随后,又在位于赣、粤、湘三省交界的仁化县境内作战10余天,摧毁了国民党设在广东城口镇五里山上的20余座碉堡,突破了国民党设在城口镇至湖南汝城、桂东间的第二道封锁线。奇袭城口镇1934年11月1日,中央红军红一军团2师6团1营营长曾保堂接到任务, In late October 1934, the Long March of the Central Red Army broke through the first blockade of the Kuomintang army (located east of Ganzhou, south of Taojiang, via the port of Dawuk, Wangmudu, southeast, Hanfang, Xintian, etc.) into Guangdong Later, they fought more than 10 days in Renhua County at the junction of the three provinces of Jiangxi, Guangdong and Hunan, destroying more than 20 Kuomintang blockhouses set up in Wulishan, Chengkou, Guangdong, and broke through the Kuomintang set up in Chengkou to Hunan Rucheng, Gui Dong between the second blockade. Surprised town on November 1, 1934, the Red Army Corps of the Central Division 2 6 regiment battalion battalion commander Zeng Baoding received the task,