Auxiliary mounting device and using method thereof

The invention relates to the technical field of mutual inductor mounting tools, and particularly discloses an auxiliary mounting device and a using method thereof. The auxiliary installation device comprises a first supporting platform, a second supporting platform and a telescopic supporting piece. One end of the second supporting platform is rotationally arranged on the first supporting platform, and a to-be-mounted part can be placed on the first supporting platform and can be moved to the second supporting platform from the first supporting platform; the first supporting platform and the second supporting platform are each provided with a telescopic supporting piece, and the telescopic supporting pieces are used for driving the first supporting platform and the second supporting platform to move in the vertical direction. By using the auxiliary mounting device, the labor intensity of workers can be reduced, the assembly between the to-be-mounted part and the cabinet body is facilitated, the mounting diffi