2, cover, title, etc. Should not be too fancy, generally simple and generous as well. 3. If the paper is thick, you can consider typesetting and printing on both sides. 4. For papers with more page numbers, you can consider using headers to mark the title and hierarchical title of the paper, such as one-page article title and two-page hierarchical title. 5. No matter the length of the paper, the page number must be marked. Page numbers start from the first page of the text. For example, 1 page can be marked in the middle or right of the header or footer. The front, cover and back cover of the paper are not numbered. Attachments are generally numbered separately. 6. The background color of the back cover should be consistent with that of the cover, and it should be associated with the cover if the base map is used. 7. If staples are used for binding, the two nails should be located at the quarter of the upper and lower edges, respectively, and the left indent is 1cm.