Xu teacher's calligraphy works are full of ideas and literary talent. Every word makes people linger, and the flowing works make people feel particularly comfortable. He flexibly and correctly applied and handled the principles of thickness, back-to-back, density, opening and closing, left and right, white cloth, folding, jagged, large and small, and meeting, which made his works lively and happy, fresh and natural. Between the lines, you can feel a sense of momentum, tolerance and broadness. It has a high collection value.
Xu teacher's calligraphy glyphs are staggered, big and small, open and closed, with obvious changes in line thickness and ups and downs. He takes a steep position, and his writing is oblique or positive, heavy or light, which has the beauty of "she started like a thunderbolt and vented her anger". He writes quickly, with a strong pen and great effort.