When writing Cao Quanbei, we should pay attention to: 1, dot, hidden front in pen, mostly round. 2, horizontal, Lishu horizontal painting has the main and auxiliary points, the main pen has a clear horizontal shape, playing around. 3, vertical, Cao Quanbei's firm drawing pen, the pen body is round, and the pen tail is vertical like a "hanging needle", but the nib has a sharp and round change. 4. Skimming and skimming can be divided into two categories: main brush skimming and straight skimming. 5. Squeezing painting is also one of the typical strokes in official script.
Cao Quanbei is a famous official script inscription in Han Dynasty, which has the characteristics of beautiful font, great variation of line thickness, tight middle palace and prominent main pen.