The invention provides a folding and conveying device and method for a cigarette label inner frame paper, and belongs to the field of tobacco wrapping processing. The device comprises a linear transmission module, a rotary suction transmission module, a folding base and an air suction folding claw; the device has the advantages of compact design, equipment investment saving, processing method withflexibility and the like; for the processing of a double-inlaid inner frame paper, the process can be executed in a production line is 'central folding inner frame paper and conveyance', and for theprocessing of a non-double-inlaid inner frame paper, the process can be executed in the production line is 'smooth conveying in an old-fashioned inner frame paper', which is more precise and more specific than a traditional process, and has the advantages of 'fine processing'. The device has a great promotion effect on the development of the inner frame paper process of the tobacco wrapping industry, and has great promotion and application value in the field of cigarette wrapping processing.