On March 18, 1943, 82 warriors from the 4th Company of the 19th Regiment of the 7th Brigade of the 3rd Division of the New Fourth Army fought in a blocking battle at Liulaozhuang in Huaiyin, Jiangsu Province. In order to cover the safe transfer of the main force and party and government agencies, as a force The weak side stubbornly resisted more than 10 attacks by more than 1,000 Japanese troops. Although all 82 commanders and combatants died heroically, the Japanese army suffered a huge result of more than 170 casualties and more than 200 injuries. There are no mountains, hills, forests or swamps here, and there are no tall buildings to block the enemy. The asymmetric combat with troops and weapons and equipment against the enemy achieved extraordinary results under impossible circumstances and fought an unrestricted war. The fourth company blocked the Japanese troops for more than 10 hours, successfully covering the safe transfer of the people in Liulaozhuang