The invention discloses an automatic duck neck removing device. The device comprises a support, an upper hook stabilizing device, a lower hook stabilizing device, a removing device, an upper adjusting screw and a lower adjusting screw of the removing device, a left scraper and a right scraper, wherein the upper hook stabilizing device is fixed above the middle of the support, the lower hook stabilizing device and the upper hook stabilizing device are parallel, the lower hook stabilizing device is arranged at the lower part of the upper hook stabilizing device, the removing device is arranged at the lower part of the lower hook stabilizing device, the upper adjusting screw and the lower adjusting screw of the removing device are arranged at the bottom of the removing device, and the left scraper and the right scraper are symmetrically arranged at the left and right of the removing device. Due to the reasonable design, the automatic duck neck removing device can automatically remove the duck necks on the production line to an operation platform and clear the oil on the duck necks simultaneously, thereby saving a lot of manpower, saving economic cost, relieving the labor intensity of workers, and improving the labor efficiency and product quality.