Method and system for arranging rod-like elements, in which an unordered portion of rod-like elements (3A...3F) composed each of at least one part selected from a group including cigarette parts being filter parts and tobacco parts, is delivered to a conveyor enabling arrangement of the elements on the said conveyor (1, 1', 101, 201) in a plurality of compartments (2, 2', 102, 202), longitudinally in each compartment and transversely to the direction of movement of the conveyor, the compartments having a length adapted to receive at least one filter part and at least one tobacco part of a cigarette, characterized in that the type, the number and the location of parts of the element (3A...3F) received in each successive compartment (2, 2', 102, 202) is defined by at least a single scanning of each successive compartment (2, 2', 102, 202) of the conveyor (1, 1', 101, 201), the result of the scanning being transmitted to a control unit (S) in which each compartment (2, 2', 102, 202) is assigned information about
