The invention discloses a self-turning type wire walking foreign body clearing fire attacking device which comprises a self-turning type falling pulley, a major rope, a minor rope, and a shot line. The self-turning type wire walking foreign body clearing fire attacking device further comprises a right-angle triangular support. The vertical edge of the right-angle triangular support is fixed on the major rope, and the vertical edge of the right-angle triangular support is provided with an upward extending section. When the self-turning type wire walking foreign body clearing fire attacking device is used, the upper section of the extending section exactly abuts against the lower end face of the self-turning type falling pulley. The upper right-angle edge of the right-angle triangular support is provided with another extending section extending towards the direction of the bevel edge of the right-angle triangular support, an end portion of the another extending section is provided with an L-shaped bend, and the upper end portion of the bend is provided with a U-shaped fence tank. A U-shaped alcohol lamp is arranged in the U-shaped fence tank, and the distance between the upper end of the alcohol lamp and a wire is 10 centimeters. The distance between the alcohol lamp and the major rope is 40 centimeters. A rope ring is arranged on the upper right-angle edge of the right-angle triangular support, and the minor rope is tied to the rope ring. The alcohol lamp is a jar-shaped alcohol lamp. The diameter and the height of an alcohol jar are both 8 centimeters. The height of flame formed when alcohol burns is 4 centimeters. The whole foreign body clearing link needs to be accomplished only by two persons, so that the self-turning wire walking foreign body clearing fire attacking device and the using method of the self-turning wire walking foreign body clearing fire attacking device are simple, rapid and practical.