Pu Ru regular script couplets come from an elegant calligraphy collection.

Formerly known as Ai Xinjue Luo Pu Ru, he was born in Beiping. On the third day of his birth, he was named "Pu Ru" by Emperor Guangxu. His grandfather was the sixth son, Prince Gong Yixin. His first name was Song Chaoke, followed by Master and Xishan.

Although Xinyu Pu is famous for its mountains and rivers, in fact, flowers, figures, grasshoppers, ladies, pommel horses, beasts, monsters, bodhisattvas and feathers are all exquisite. It is also called Nanpu Beipu with Zhang Daqian and Nanpu Beipu with Wu Hufan.