Automatic heating apparatus of generator thrust collar, it include one can conveniently embolia the generator thrust collar, a built -in epoxy material sheath section of thick bamboo that has heating coil, an epoxy material sheath section of thick bamboo for the skin the outer framework of non -magnetic metal preapre for an unfavorable turn of events shape and fixed and form the integration of tube -shape heating apparatus, the upper end symmetry of an epoxy material sheath section of thick bamboo is provided with two blocks of horizontal support boards to be provided with the temperature controller of popping one's head in the slotted hole complex, taking the control by temperature change to pop one's head in with the control by temperature change of thrust collar up end setting on the horizontal support board, just the temperature controller is connected in POWER CONTROL BOX, POWER CONTROL BOX connect in heating coil and realize control by temperature change formula heating, the outer framework of the outer non -magnetic metal of an epoxy material sheath section of thick bamboo includes the stainless steel ring shape strut and the middle stainless steel strengthening rib of lower part, heating coil be inductance coils, its inductance is heated to two gentle accuse temperature modes of two spot measurements, the detachable rising pedestal mounting that POWER CONTROL BOX passes through the lower part is on the horizontal support of both sides board.