2, cover, back cover content, be sure to check, whether it is pressed on the spine, whether there are problems such as center and side.

3. For the text, consider whether it is pressed to the middle seam to prevent it from being pressed after binding.

4, all content, want to consider bleeding, to prevent being cut by mistake or have a white edge after cutting.

5, color mode, try to use cmyk.

6, according to the binding method, also want to consider the corresponding special precautions.

Of course, some problems should be considered according to the actual operation process in the specific design. If you are not very professional, you can try to customize it with the times, and many problems can be ignored.