The subject of the application is a device which supports mass flow of rod-shaped articles of the tobacco industry in a transport channel, having at least two segments (2, 3) connected by a connecting element (4), characterised in that the segments (2) are provided with positioning means (7, 8) which mate with the elements of the conveyor to set the position of the supporting device relative to the elements of the conveyor (5a, 5b). Furthermore, the subject of the application is a method of supporting mass flow of rod-shaped articles of the tobacco industry in a transport channel section characterised in that a supporting device (1) is introduced into the transport channel in the inlet part of the section being filled up provided with positioning means (7, 8) which with the elements of the conveyor set the position of the supporting device relative to the elements of the conveyor belt (5a, 5b), subsequently, the mass flow of rod-shaped articles is started in such a way so that the face of the mass flow is supported on the last segment of the supporting device, after which the travel of the belt of the conveyor in the remaining part of the section of the transport channel being filled up is started such that the mass flow of rod-shaped articles fills up the space of the channel section, supported on the last segment of the supporting device.