The Ancestral Hall of Han Huan Hou is also known as Zhang Fei Temple and previously known as Xiongwei Temple during the Ming Dynasty. It is one of the National Key Cultural Relics, making up one of the outstanding monuments dating from the Three Kingdoms period. Zhang Fei was one of the “Five Tiger Generals” in Shu-Han during the Three Kingdoms period. After Liu Bei occupied Sichuan, Zhangfei was the governor of the region and served as the prefecture chief of Langzhong, Baxi. During his 7 years in Langzhong, Zhangfei protected the region and also aided the farm development. In 221 AD, Zhang Fei was murdered by his subordinates, Zhang Da and Fan Qiang, and was buried in Langzhong. Zhang Fei was a respected man and after his death the people built the hall in his honor.