The invention discloses an easy-to-rotate flue scraping device, and belongs to the field of flue cleaning devices. The device is characterized in that a rotating cylinder sleeves the outer side of a guide cylinder to be connected with the guide cylinder in a rotating mode, the lower end of the rotating cylinder penetrates through a through hole in a partition plate to be fixedly connected with a worm gear hole of a worm gear, the rotating cylinder is rotatably connected with the partition plate through hole and a guide disk through hole, the rotating cylinder is fixedly connected with a centerhole of a first guide plate and a center hole of a second guide plate, two telescopic devices are included, each telescopic device comprises a first outer cylinder, an inner cylinder and a screw, thelower end of each first outer cylinder is connected with a base with a through hole, the upper end of each first outer cylinder penetrates through a guide disk and the second guide plate, the inner wall of each inner cylinder is provided with an axial threaded hole, each inner cylinder is inserted into a cylinder cavity of the corresponding first outer cylinder, the upper end of each screw penetrates through the through hole of the base of the corresponding first outer cylinder to be in threaded connection with the axial threaded hole of the corresponding inner cylinder, and each screw is rotatably connected with the through hole of the base of the corresponding first outer cylinder. Compared with the prior art, the device has the characteristics of simple structure and reasonable design.