Radiotherapy compensation film heater

The utility model relates to the field of radiotherapy heating, in particular to a radiotherapy compensation film heater, which can effectively solve the problems that a compensator has a heating function, and once a heating piece is damaged, the compensator cannot play a role in heating. Comprising a heating plate body, a control panel is fixedly arranged on the inner side of the upper surface of the heating plate body, and control buttons are arranged on the control panel; a fixing structure for fixing a cylindrical preservative film is arranged on the left side of the heating plate body; the fixing structure comprises a corner supporting rod, the left transverse part and the right transverse part of the corner supporting rod are sleeved with a cylindrical preservative film, the left end of the preservative film is sleeved with a first end cap, and a circular baffle is fixedly arranged on the supporting rod on the right side of the preservative film. The corner part of the corner supporting rod is backwards