Cover refers to the outer layer of books and periodicals. Sometimes it refers to the first side with the title, author or editor, name of the publishing house, etc. From Ba Jin's "Home" XI: "A thread-bound book that my grandfather just gave me, I feel headache when I read the title with a white label on the cover."

As an advertisement, the cover is usually in an editorial department, and the production of the cover is relatively a good "fool" thing. Originally, the production of the cover usually belongs to the later stage, usually after the film is released. When time is tight, it is inevitable that you will not pay much attention.

The operation of the media is more about the quality of manuscripts and pictures. Compared with them, they also have many kinds of evaluation methods, but they have never heard of any specific requirements for the cover. Since there is no standard, of course they have to "improvise".

In fact, if you regard the media as a product, then the cover is undoubtedly the packaging of the product. In traditional industries, product packaging design is a very important category. If you can't do this, your products will be greatly affected.

In the field of media, some people have done relevant tests before. A bad cover can affect more than 0% of retail sales, especially for a new media with few loyal readers. Since the cover has such a great influence, what is the cover? The cover is an advertisement.