2. artistry: it should have independent aesthetic value, embody artistic characteristics and creativity, and have a certain artistic style. This style should not only reflect the internal content, nature and category of books and periodicals, but also reflect some characteristics of the times and nationalities.
3. Practicality: We should fully consider the convenience of different readers to use different books and periodicals, consider the economic affordability and aesthetic requirements of readers at different levels, and improve the guiding role of readers' reading interest.
4. Economy: We must consider the actual effect of reading and appreciation and the proportion of economic benefits. First, the ratio of the required capital investment to the actual economic benefits; Second, the price of books and periodicals caused by the design scheme is worse than the reader's psychology and ability.
Authors must be careful when using pictures or materials in their own books, otherwise there will be trouble of infringement, and they can also find publishing agencies, which can not only avoid infringement problems, but also save a lot of publishing costs and time.