He was broad-minded and uninhibited, and had the reputation of "talking about love". Especially in his later years, he was named "Siming fanatic" and "secretary outside the prison" and returned to China at the age of 86. He was a poet in the early Tang Dynasty and a famous calligrapher. Together with Zhang, Zhang Xu and Bao Rong, they are called "four sons of Wuzhong".
He's poems are famous for quatrains. Apart from the sacrificial movement and poetry creation, his writing style and lyrical way are unique, fresh and natural. Two famous poems, Liu Yong and Hometown Couplet Book, are well-known throughout the ages, and most of them are scattered. Up to now, 19 poems have been recorded in Complete Tang Poetry.