Carton Storing and Transferring System is an important part for tobacco logistics system which is used to connect the Cigarette Packing Machine and the Case Packing Machine to convey the cigarette cartons for a long distance. When the production speed of the two machines could not match each other, it could automatically store or supplement the products to reduce the constraints between the machines, increase the working efficiency of the whole production line and lower the labor intensity. It is modular designed with large extensibility, flexible to be arranged according to customers' requirements.