1. There are many works handed down by Yan Zhenqing. In regular script, there are "Zhushan Hall Couplet Poetry Post" and "Gao Shen Post"; in cursive script, there are "Manuscript of Memorial to Nephew", "Liu Zhong Envoy Post", "Huzhou Post" Posts" etc. Moreover, Yan Zhenqing wrote many steles throughout his life, among which the "Duobao Pagoda Stele" that has been handed down to this day has a dignified, precise and beautiful structure; the "Dongfang Shuo Painting Praise Stele" has a clear and powerful style; and the "Qinli Stele" is majestic and neat. He also has a lot of calligraphy and engraved calligraphy. The middle calligraphy collected in the past dynasties usually contains his works.
2. Yan Zhenqing (709-August 23, 784), courtesy name Qingchen, was born in Langye Linyi (now Linyi, Shandong Province). He was the grandson of the fifth generation of Yan Shigu and the younger brother of Yan Gaoqing. A famous politician and calligrapher in the Tang Dynasty. In the 22nd year of Kaiyuan (AD 734), he became a Jinshi and ascended the rank of Jia Ke. He was appointed as the supervisory censor four times and moved to the palace to serve as the censor. Because he was favored by Yang Tafu, a powerful official at the time. During the reign of Emperor Daizong, he became the Minister of the Ministry of Personnel, the Prince and Grand Master, and was granted the title of Duke of Lu County, and was known as "Gong Yan Lu". In the first year of Xingyuan (784), he was framed by Prime Minister Lu Qi and sent to the rebel general Li Xilie's ministry to inform him. He sternly resisted the thieves and was eventually hanged.