The Wang family of Pingliang House in Ming Dynasty refers to an influential Wang Xing family in Pingliang City, Gansu Province in Ming Dynasty. In Ming Dynasty, Pingliang Prefecture was an important state capital and one of the political, economic and cultural centers in northwest China. In this area, the Wang family is one of the famous clans, and its members have made great achievements and influences in politics, military affairs and culture. Among them, famous figures include Wang Zhenbai, Wang Zhi and Wang Yinglin. Wang Zhenbai is a famous mathematician, who invented the famous Bai Zhen suan Jing and made outstanding contributions in the history of Chinese mathematics. Wang Zhi is an excellent general, who has made outstanding achievements in the campaigns to suppress the rebellion of ethnic minorities and resist foreign aggression. Wang Yinglin is an outstanding scholar. He devoted himself to sorting out and publishing Yongle Dadian, and made outstanding contributions to the development of ancient culture and scholarship in China. Therefore, the Wang family occupies an important position in the history and culture of Pingliang House in Ming Dynasty.