He carries a knife with a pen. The pen should be sharp, round, solid and flat. Powerful knife-holding, fast knife-carrying, and free knife-moving, which means that when the knife arrives, there is a pen in the knife, which brings out the best in each other, and realizes the unity of knife-cutting and calligraphy, content and style.
He also created a single-edged, ups and downs, oblique strewn at random, profound meaning, magnificent and incisive unique style. His works are eclectic and fully show his personality.
He Zhen's seal cutting reproduces the beauty of chiseling, casting, engraving and cutting of Qin and Han seals, and becomes a leading figure in the printing industry in the late Ming Dynasty.