* From the purpose, it can be divided into living printing, book binding, environmental layout, blackboard newspaper, wall newspaper, commercial art, advertisements, trademarks, etc.
* From the form, it can be divided into plane artistic characters and three-dimensional artistic characters; Or realistic calligraphy and freehand calligraphy.
* From the font, it can be divided into three categories: Song Style, Bold Style and Variant Style.
Bold Style: The strokes of Bold Style are uniform, so it can only be a decorative font, not calligraphy. Bold Style absorbs the advantages of strict structure of Song Style, and the horizontal painting is bold in the shape of strokes, and the shrug angle of Song Style is flattened into isolines, forming. The strokes with sharp tips and thin tails and different thicknesses at the head and tail are square strokes, so they are unique, giving people a feeling of being strong, serious, solemn, simple and generous.
It imitates the Latin handwriting that appeared after the 12th century. The characteristics of bold characters are: the main strokes are thick, with slender strokes, and the glyphs are compact. No arc. This font was used in Germany and Austria until after the Second World War.
Song typeface: Song typeface is the most widely used font in the printing industry. According to the different shapes of characters, it can be divided into Shu Song and Bao Song. Song typeface is a popular printing font originated from Song Dynasty engraving. Song typeface has a square font, horizontal and vertical strokes, fine and vertical strokes, sharp edges and corners, rigorous structure, neatness and uniformity. So that people can feel comfortable and eye-catching when reading. In modern printing, it is mainly used in the text of books, periodicals or newspapers.
Variant words: Variant words express their meaning by changing the font of a certain word. There are two ways to change the font, that is, adding or subtracting strokes and changing the direction. The classification of variant words depends on whether they take the meaning of the mother letter or the pronunciation of the mother letter. Each variant word has its own characteristics.