The invention discloses an ultrasonic printing and trimming device capable of adjusting cutter carrier positions. The ultrasonic printing and trimming device comprises a printing roll and a trimming roll. A cutter carrier is disposed on the trimming roll. A spiral cutter is mounted on the cutter carrier. A key groove is reserved on the trimming roll. The cutter carrier can slide along the key groove to adjust positions and be fixed on the trimming roll through keys and fastening screws. By the ultrasonic printing and trimming device, printing and trimming can be completed simultaneously, equipment cost can be lowered greatly, and production efficiency can be increased. By the key groove, position adjustment is facilitated, and equipment adaptability is improved.