A dregs/juice separation apparatus includes a base having a power element driving a shaft to rotate. A pin protrudes from a surface of the shaft. A container includes an opening coupled with the base. A cutter unit includes a guiding member mounted around the shaft. The guiding member includes at least one guiding groove. The pin of the shaft extends into the at least one guiding groove. The cutter unit is rotatable relative to the shaft and is movable relative to the shaft in a longitudinal direction. The cutter unit further includes a cutter portion connected to the guiding member. A dreg collecting member includes an opening sealed by a cover. Objects to be processed are placed into the dreg collecting member via the opening of the dreg collecting member. The shaft extends through the dreg collecting member. The dreg collecting member receives the cutter unit.