The invention discloses an auxiliary mastication training device for dental care, which comprises a universal wheel, an electric heating wire, a fabric layer, an electric heater, an armrest, a device main body, a first universal joint, a second universal joint, a telescopic rod, a Three universal joints, etc.; by letting the patient sit on the main body of the device, the electric heater drives the electric heating wire to heat, and the distance and angle of the chewing trainer are adjusted through the telescopic rod and the universal joint. At the same time, universal wheels are set at the bottom of the device to facilitate medical staff Push it outdoors; the patient bites the first bite block and the second bite block on the chewing trainer, and the first motor and the second motor drive the first cam and the second cam to rotate internally, and the first cam and the second cam protrude The lifting part pries the fifth connecting rod and the sixth connecting rod so that the first engaging piece and the second engaging piece at the right end of the fifth connecting rod and the sixth connecting rod are opened, and then return to the position through the first spring and the second spring, so that Reciprocating movement, opening and closing in the patient's mouth, simulating chewing action.