Xu Sangeng was born in a poor peasant family. He went out for a long time to make a living and tried to do odd jobs in Taoist temple. Middle school Taoist priests are good at calligraphy and seal cutting, and Xu Deqi taught them. Therefore, this introduction has a deep foundation of imitation of Chinese and Indian, as well as the calligraphy foundation of seal cutting of Han tablet and Tianbu tablet. His works trace back to Qin and Han Dynasties, capture Yuan and Ming Dynasties, and concentrate on Zhejiang School. Later, he took the inscriptions of Bai Chinese and the gods, and used their flying posture to make them melt into a furnace. His pen is charming and provocative, his knife is neat, his composition alternates with reality, and he has a unique style. He became another innovative seal engraver at the same time as Zhao. Its seal script is known as "a grass comes out of water, five generations of wind".