Book ladder structure for library

The utility model discloses a book ladder structure for libraries, which comprises a base, a ladder is fixedly arranged at the top of the base, a movable seat is movably connected to the top of the ladder, a protection mechanism is arranged at the top of the ladder and comprises an adjusting mechanism, and the adjusting mechanism is in transmission connection with the movable seat. The adjusting mechanism drives the movable seat to move at the top of the step, the movable seat is driven to move along with rotation of the lead screw, the height of a user is adjusted through the movable seat at the top of the step, the book ladder is more flexible to use, the user is protected through the baffles on the two sides of the top of the step and the protective fence on the front face, and the practicability is high. The hinged plate is blocked by the limiting plate on the back surface of the baffle, so that the hinged plate can only rotate towards one side of the baffle, the hinged plate can protect the back surface