What font is generally used in printed books and what is the font size?

Generally, printed books use size 5 fonts and Song fonts.

The type summary of the Chinese character symbol system from the perspective of the physical structure system is called font. The font of Chinese characters is the result of thousands of years of writing practice.

For example: Song style - the font is square; the strokes are thin horizontally and thick vertically.

Imitation Song Dynasty - the font is square; the strokes are thinner horizontally and vertically.

Regular script - the font is square; the stroke shape retains the characteristics of the brush strokes; horizontally and vertically, the strokes have stroke points.

Helvetica - The font is square; the strokes are thicker both horizontally and vertically.

Font size Font size is the "number of characters", which is a classification of the size of Chinese characters.

The classification of font sizes in China is represented by numbers. From large to small, they are called No. 1, No. 1, No. 2, No. 2, No. 3, No. 3, No. 4, No. 4, No. 5, No. 5, No. 6.

Number, number six, number seven, number eight.

The larger the number in front of the number, the smaller the font size. Eight-point font is the smallest printed Chinese character. No matter how small it is, the font cannot be carved.

Sometimes there is a special need for characters larger than size 1, which are called Chu Hao and Xiao Chu Hao.