Yongju defense battle led by Zhangxun, the general of Tang Dynasty, beat back the rebel army in twenty months, controlled the passage through which the rebel army could enter the eara of Jianghuai, safeguarded the base of finance and grains of Tang Dynasty.

The essay,based on research on Zhang Xun s struggle against the rebels in Yongqiu and Suiyang Defence commanding a great number of soldiers and civilians,is designed to reveal the historical role that Zhang Xun played in the struggle against the rebels in An Lushan Rebellion,which exerts greatly positive influence on the later Tang Dynasty and China s succeeding history.

The socialist market economy defending war is both an important theroretical creation and an important measure for keeping public order.

The Juegang Battle of Defense and the Establishment of Central Jiangsu Base Areain the War of Resistance against Japan;