The format of paper requires the size of paper: A4 paper; Page setup: left margin: 30mm, right margin: 25mm;; Top margin: 30mm, bottom margin: 25mm. Cover: the title of the paper is less than 25 words, official script, No.2, in bold; Abstract: Song Ti and Xiao No.4; Keywords: 3 ~ 5, Song Ti, Xiao No.4, 3 spaces between keywords; First-level title: Song Ti, No.3, bold, with one line before and after the paragraph, left-aligned, and one line in a single row, such as: 1 course paper; Second-level title: Song Ti, No.4, bold, one line before and after the paragraph, left-aligned, and one line in a single column, such as: 1. 1 course paper; Third-level titles: Song Ti, Xiao No.4, bold, one line before and after the paragraph, and one line on the left, such as 1. 1 course paper; Text: Song Ti, Xiao No.4, with a row spacing of 20 Jin; References: Song Ti and No.5, the writing format should be strictly in accordance with the requirements of the specification; Figure (Table): Title Song, No.5, bold, Content Song, No.5, Table Note Song, No.5.