First, horizontal typing: write each word separately in running script or cursive script, with dignified font and easy recognition. 2. Vertical typing: Vertical typing is the same as horizontal typing, but arranged vertically. Third, horizontal couplet: cursive script is a series of abstract, concise and smooth. 4. Vertical connection: Vertical connection is the same as horizontal connection, but arranged vertically. 5. Horizontal and vertical hanging: It is characterized by stretching thick horizontal lines, or supporting, hanging or connecting in series. The shape is obvious, the sense of rhythm is strong, and it is refreshing. 6. Crown with a hat: The crown with a hat is an elegant arc on the font, much like a wide crown, hence its name, novel concept, lively rhythm and pleasant feeling. Seven, the structure of the IOUs: The structure of IOUs generally refers to the vertical or horizontal staggered arrangement, characterized by the left and right structure of IOUs between words, which is like a word as a whole, and the name is integrated into it by using the clever insertion of strokes. This signature form is magnificent and spectacular. Eight, with arc: with arc refers to cursive script, lines written in arc, like ribbon dancing, like clouds. Nine, exaggerated line deformation: exaggerated deformation refers to the expansion, elongation and dislocation of the surname font beyond the standard, which looks refreshing and interesting. X. Secrecy: Secrecy refers to the secret that is difficult to be seen by others in the art of signature.