Su Xun's paper is also full of penetrating insights. He opposes flashy and weird prose and advocates learning ancient prose; Emphasize that the article should be "sincerely convinced" and write "from the heart"; It is advocated that articles should be "made for things" and "words must be in the present". He also discussed different styles of * * * and different writing methods. He is especially good at evaluating the styles and artistic features of various essays from comparison. For example, the first book "The Connotation of Shang Ouyang" commented well on the articles of Mencius, Han Yu and Ouyang Xiu.