Abstract: In the Years of Tianbao in Tang Dynasty, the war between Tang Dynasty and Nan Zhao ancient country broke out many times. During this period, He Lvguang operated series of wars against Nan zhao and restored the control of Anning Castle as the center. After the Rebellion of An and Shi,as the Tang Dynasty conscripted army to put down their rebellion,the empire lost its Anning Castle and the Cuan clan,and Tang Dynasty’s management of Yunnan ended in failure．However, there is no special and accurate biography of He Lvguang’s deeds in historical documents and there are many duplicates and ambiguity, it is difficult to get the general outline. Through the study of the historical data, the story of his military experience in Yunnan is roughly narrated.

Key words: Tianbao years in Tang Dynasty, He Lvguang, Nan Zhao, the Anning Castle, the military operation in Yunnan