Yimu Fang family was the distinguished surname of the North that emerged during the sixteen Kingdoms period. The Fang family are active in official and Confucian inheritors, the father Fang Yanqian and the son Fang Xuanling were trained as famous social elite. Fang Yanqian was filial to his parents, diligent to his study, free from corruption to official and impartial to his family, known as" The best official in the country". Fang Xuanling made masterful plans during wars at the end of The Sui Dynasty, and was good at constructing and scheming. At the beginning of the Tang Dynasty, he spent lots of efforts to put down the war and made great contributions to the establishment and prosperity of the Tang Dynasty. He became a famous statesman and historian in the early Tang Dynasty, and was praised as a good prime minister.