Abstract
Princess Hezheng is the third daughter of Emperor Suzong as well as the same mother and sister of Emperor Daizong of the Tang Dynasty.She experienced the An-shi Rebellion,Tibetan invasion and other wars throughout her life.The Princess Hezheng was able to participate in the affairs of the family and the country,but did not covet her elder brother's world.Meanwhile she felt compassion for her family,and expanded the scope of female education.So she was called"the great treasure of the country".