There is a "Jianmen Painting and Calligraphy Museum" in the North Hall, which displays 26 calligraphy treasures of Mr. Sun Mofo, with notes 12. Sun Mofo, nicknamed "Meiyuan", also known as "Jianmen Old Man", was born in Laiyang, Shandong Province, and his age was 104. He is open-minded all his life, self-cultivation and chastity, weaker than fame and fortune. Pay attention to lofty sentiments, cultivate sentiment with calligraphy and form a simple and refined artistic style.