Suitable for block letters or imitation of Song Dynasty, with neat strokes. The use of fonts and the overall typesetting of official documents are still relatively particular in form, with matching sizes, patchwork and moderate density. The title is different from the font size, solemn and eye-catching, which is very consistent with the solemn and formal characteristics of official documents.

Regular script is a font of Chinese characters, also known as regular script, regular script, real script and official script. It gradually evolved from official script, becoming more simplified and more horizontal and vertical. The book Ci Hai is interpreted as "square in shape and straight in brushwork, which can be used as a model". This kind of Chinese character has the correct font and is a modern popular handwritten orthographic Chinese character.

Imitation of Song Dynasty is a kind of printing font, which is modeled after the font carved in the Song Dynasty. The strokes are even in thickness, with three bodies: long, square and flat. The figures are slender, neat and beautiful, well-proportioned, with straight strokes, ups and downs, horizontal and vertical, uniform thickness and even intervals. Paintings, poems, books and periodicals, packaging and sample instructions often imitate physical printing.

The size of the bulletin board is needed. If the notice is only sent to a specific person, the text font can be Song Ti and No.4, and the title can also be Song Ti and No.2. If it is used for posting, the text of the notice also uses Song Zi, No.2 and the starting number of the title. Notices are generally used for posting, and the text can also be in Song style, but the number one is required. Titles should be in bold type, which is the largest font that can be used in general-purpose computers.