What is Ni's achievement?

On the basis of learning from Su characters, Ni transformed the flat word-formation characteristics of Su characters into his own word-formation rules. After learning this word, Wang's pen has become a round pen that can grow at will under his wrist; In his later years, he used the word "true clarity" to get rid of the meaning of "missing marks", and his book style gradually became muddy. He also introduced rubbings, rubbings, flying white, thirsty pen and other techniques to enrich the connotation of his works. And with strange and changeable knots, random strain gathering and scattering, and then laying white with extremely dense and wide spacing, showing a strange image. Representative works include Walking on the Poem Axis of Leling Road in the Rain and Leshan Wuyun Poem Axis. At the same time, (that is, Wang Siren) once commented on Ni Shuru's "Whirling somersault", and the comments were sharp and dynamic, but the most accurate comments were that Ni Houzhan, the son of Ni, and Man, who had studied from the ecliptic, were more accurate. He said: "Ni Hongbao's calligraphy is a kind of pen that refuses to learn from the ancients and just wants to come up with new ideas. The front and edge are exposed and forced to overlap. The audience was amazed.