System for feeding and processing bottles (1) to be conveyed to a device (30) for entry into a filling machine (40) operating at an assigned speed (Vp), the system comprising: a realignment centrifuge (100) fed randomly with the bottles (1) and having a tangential outlet (113); movement devices (12, 13, 14), able to convey the bottles (1) leaving the realignment centrifuge (100) and vary the speed of advancing movement thereof; at least one device (21) for handling the bottles; the realignment centrifuge is operated at an operating speed (Vc) greater than the speed (Vp) of the filling machine, and movement devices (12, 14) comprise at least a first device (12); a third device (14); said handling device (21) has means (5) for gripping the bottles.