Wu Ju, named Jufu and named Yunhe, was a native of Bianliang (now Kaifeng, Henan) in the Southern Song Dynasty. The nephew of Empress Wu, Emperor Gaozong of the Song Dynasty, the son of Taining County Prince and Wei Wang Wu Yi, and a famous calligrapher in the Southern Song Dynasty. Mainly active in the three dynasties of Xiaozong, Guangzong and Ningzong. Studying official affairs, tired officials Lin'an general judge, Zhen'an Jiedushi. Later, he was selected by talents. In addition to knowing Mingzhou and setting up envoys along the coast, he also found out about Ezhou and regained knowledge about Qingyuan Prefecture. He stayed in Jiankang and retained his position at least. He was known as the "King of the Seven Commanderies of Wu" in the world. After death, his posthumous title was Zhonghui. His works include "Yunhe Collection".

  Wu Ju was indifferent and fond of antiquity. He was good at poetry and calligraphy, especially calligraphy. Xiaozong often called upon him to discuss poetry and write calligraphy. He is good at Zheng, cursive and calligraphy. He is very similar to Mi Fu, but has his own majestic style. "Jianning Prefecture Chronicles" says: "Ju stayed in Jiankang. He set up Vimalakia couch near the city and at the bottom of the east building. He loved ancient plum blossoms. On the day of the day, Zhong (Yao) and Wang (Xizhi) posted." The large characters are extremely well-written. The ink mark on "The First Country in the World" in Beigu, Jingkou (today's Zhenjiang, Jiangsu) was written by Wu Ju. The six characters are still there today, and the good calligraphy adds glory to the famous mountain. The obvious feature of his calligraphy is that it resembles Mi Fu. Later generations believe that among the famous calligraphers of the Southern Song Dynasty, Wu Ju should be the first to capture the charm of Mi Xiangyang's pen and ink.