Sorting and transporting system for library

The utility model relates to a sorting and transporting system for a library. The sorting and transporting system comprises a sorting device, a transporting device and a guiding system. The sorting device comprises a first book placing rack capable of moving up and down and a first processor used for storing book information, and the first processor is in communication connection with a first cardreader to obtain the book information and position information needing to be placed; the transporting device comprises a chassis, a second book placing frame is arranged on the chassis, a first pushing structure is further arranged on the support, a second pushing structure is arranged on the chassis, a second processor used for controlling the transporting device to walk and steer is arranged onthe chassis, and the first processor and the second processor are in communication connection through wireless signals; the guide system comprises a longitudinal guide rail and a transverse guide rail, the conveying device is