The Function Of Yu Zi Jun Himself And His Defense In Yansui Town

In Ming Danasty, Ming Mongolia are north against south. It is the foucus to defend morth Mongolia.'the wall of defense' is built in Chenghua period in order to defend the invasion of Mongolia. It was Yu Zi jun who is the executor of the caution. The thesis presents the career of and family of Yu Zijun. Then the relationship between Ming and Mongoia in Chenghua period is showed. At that time the aggression of Yansui town is comparatively frequent. Yansui town the equipments for defense are irregular; military strength is deficient. Then it discusses Yu Zijun's improvement of the system of defense. He finished the system through extending,buiding,and tondening. At last, YuZijun's function in the system of defense in yansui town is presented. It proves that he finished the defense of Mongolia, explores yansui region, the increase the association of people. The paper is based on the former acheievements.From the materials of Ming and local chronicles,it explores the function of Yu Zijun himself and his defesnse in yansui town.