Xu Sangeng, also known as Xinlang, nicknamed Jing Lei, also known as Xiu Hai, also known as Jin Lei, Xiguo, Daheng, Yu Liangsheng, Jin Lei Taoist, Jin Lei Taoist, Jin Lei Mountain Miner, Jian Mu Taoist etc., from Shangyu, Zhejiang. He is good at calligraphy, especially seal cutting, good at imitating characters carved on metal and stone, and good at carving bamboo.
Xu Sangeng's seals are elegant and beautiful, with strong contrast in density and density, majestic energy, skilled knife skills, and smooth brushstrokes. People at the time praised him as "Wu Dai is in the wind, and he is perfect." During the Jin, Tang, Han and Wei dynasties, the method of taking the edge of the blade was fierce and sharp, and had its own characteristics.