The present invention discloses a cutting auxiliary device integrated with clamping and blanking functions includes a positioning and loading unit, a clamping unit and a supporting unit. The supporting unit and the clamping unit can slide left and right on the platform of the positioning and loading unit through the slide block and slide groove structure. The supporting unit and the clamping unit are connected through an adjustable push rod with a scale bar; The board is placed on the positioning platform, and the adjustable push rod is pushed to move the supporting unit and the clamping unit to fix the board again for cutting. After completion, the handwheel is turned to make the clamping platform rotate such that the material is transferred into the material receiving container.