The invention discloses an electric book carrier for libraries. The electric book carrier for the libraries comprises a carrier body, a bottom plate, an upper layer plate, pushing plates, sliding rods, a spring, a storage battery, a motor, a controller, a handlebar and control switches; front wheels and driving wheels are arranged at the bottom of the bottom plate; the driving wheels are connected with the motor through belts; the left side and the right side of the bottom plate are fixedly connected with a front baffle and a rear baffle; the sliding rods are mounted at the upper part of the bottom plate and the upper part of the upper layer plate; two ends of the sliding rods are fixedly connected with the front baffle and the rear baffle; the springs sleeve the left sides of the sliding rods; sliding rings are arranged on two sides of the pushing plates; the sliding rings sleeve the sliding rods; the pushing plates are positioned on the right sides of the springs; the control switches are arranged at the two ends of the handlebar; and the controller is electrically connected with the storage battery, the motor and the control switches. In general, the electric book carrier for the libraries can increase the working efficiency and can also very well protect books in the transporting process.