The Wang family of Shanghang belongs to Wang, Taiyuan County, so the county is called "Taiyuan County" and the hall is called "Sanhuai Hall". Its common hall couplets include: "The reputation of the two Jin Dynasties is far away; the three locust trees have a long history"; "the three male locust trees; one plum blossom" and so on. "Family voices of the two Jin Dynasties": refers to the Western Jin Dynasty including Wang Xiang, Wang Lan, Wang Hun, Wang Zhan, Wang Cheng, Wang Tanzhi, Wang Yu, Wang Jun, Wang Rong and other celebrities; the Eastern Jin Dynasty includes Wang Dao, Wang Dun, Wang Xizhi, Wang Xianzhi Such celebrities are from the heyday of the Wang family's reputation, and their ancestors are praised as "the family's reputation in the two Jin Dynasties" and "the legacy of the two Jin Dynasties". "Three locust trees": refers to Wang Ku? of the Song Dynasty (from the official to the minister of the Ministry of War), who once planted three locust trees in front of the court and named them: "San locust hall". He also predicted that "in the future after me, there will be three nobles." ". Later, his son Wang Dan became the prime minister and the Taibao. In addition, his grandsons Wang Yong, Wang Zhong, and Wang Su served as ministers of the Ministry of War, the Ministry of Husbandry, and the Ministry of Industry respectively. They were brothers in the same dynasty and ranked among the three Dukes. In the old days, there was a chant of "Sanhuai Shize", which spread to the entire Wang family. Sanhuai temples were generally imitated and the name Sanhuai was used. "