The Heart Sutra of Prajna Paramita, which is connected with Duntang, consists of three Heart Sutras and sets. The first is written by Ouyang Xun, the European characters are rigorous and neat, upright and strong; the second is written by Pu Xin She Li Xue, Pu's small script is strong and beautiful, elegant and elegant; the original version is the representative work of the Tang Dynasty written scriptures, the structure is neat and meticulous , The pen is precise, the font is strong and full, and it is a combination of vigor and ease. The front cover, back cover of Guanyin and Wei Tuobao were specially invited to draw by Mr. Chen Qi, Yusan of Xiangshang.