The utility model provides a rotary deironing machine. The rotary deironing machine comprises a rack, a cylinder body, a discharge pipeline, a charge pipeline and a motor, wherein the cylinder body is installed on the rack; the discharge pipeline and the charge pipeline are respectively connected to the left and right ends of the cylinder body; the motor is connected with the cylinder body so as to drive the cylinder body to rotate; meanwhile, the discharge pipeline and the charge pipeline are respectively connected to the left and right ends of the cylinder body via a rotary joint, and the cylinder body is internally provided with a magnetic iron bar. According to the rotary deironing machine, continuous operation can be realized via a rotary joint material conveying pipeline; due to the rotation of the cylinder body, the deironing effect can be relatively good; the magnetic iron bar is taken down in cleaning, and the rotary deironing machine can be cleaned by opening a cleaning hole, the cleaning is relatively convenient, and the operation is simple.