The utility model discloses a kind of book blocking strip structures, it includes book blocking strip main part and supporting panel, the outside of the book blocking strip main part is recessed with panel recess, the supporting panel can be movably embedded in the panel recess, the inside of the book blocking strip main part is equipped with several fixed columns, the supporting panel is arc plate, the outer edge of the supporting panel is protruded with anti-skid edge strip. The book blocking strip structure of the utility model is connected by movable cooperation, multiple anti-skid design, simple structure, convenient to install, and can effectively prevent desktop articles from sliding in shaking or tilting state, with good practicality and security.