护封也叫包封或护书纸,对防止图书封皮被污染、磨损、划伤,延长图书使用寿命起着不可低估的作用,同时也是图书装帧艺术的手段。然而由于护封与封皮在阅读使用时极易移位脱离,书脊过厚者移动更甚,给读者带来很多不便。若将其拆下,虽然一时方便,但图书则得不到应有的保护,也破坏了图书的装帧艺术魅力。针对这一缺陷,我馆的相应做法是:选用与护封同类的纸料或韧性较强的皮纸,裁成与勒口小页横 Enclosures are also called envelopes or book coverings. They play an important role in preventing book cover from being polluted, worn, scratched and prolonging the service life of books. They are also the means of binding book art. However, due to the protective cover and cover easy to use in the reading shift, the spine is too thick to move even more, to the reader a lot of inconvenience. If removed, although temporarily convenient, but the book is not properly protected, but also undermined the charm of the book’s binding art. In response to this flaw, my hall’s corresponding approach is: use and seal the same kind of paper or tough paper, cut and Lek small page