Li Ju was born in Dunqiu (now Qingfeng, Henan). The name is unknown. He was born in the first year of Yanzai after Emperor Wu of Zhou Dynasty (694) and died in the ninth year of Tianbao, Emperor Xuanzong of Tang Dynasty (748). In the 22nd year of Kaiyuan (734) of Emperor Xuanzong of Tang Dynasty, he won the first prize in Jiaxu Branch. Jinshi and the 27th person in this subject. There are Yan Zhenqing and others on the same list, and the examiner is Sun Ti. The undergraduate examination questions are "Zicai Fu" and "Arsenal Poems". In the same year, Li Ju won the first place in the erudite macroci subject. The poem he wrote is "Gongsun Hongkaidongge Fu". Li Ju once served as the magistrate of Shishan County and then as the captain of Luoyang. He was very close to Yan Zhenqing. He is good at calligraphy, especially good at "eight-point calligraphy". In the twenty-fifth year of Kaiyuan (737), he wrote "Ode to the Legacy of Du Fujun, the Emperor of the Tang Zhen Ding Order", which was written in the style of "eight-point script".