The Battle of Yichuan, also known as the Battle of Zhuzi Street, began on1February 29th, 948. The Northwest Field Army of the People's Liberation Army of China changed its main five columns to outside operations after the new army consolidation movement. The People's Liberation Army stormed the enemy from all directions and fought fiercely until March 1 year, killing nearly 30,000 people and reorganizing Liu Kan, commander of the 29th Army. On March 3, conquer Yichuan city. Make the Northwest Field Army change from interior counter-offensive to exterior counter-offensive.