Provided are a personalized automatic customization method and an apparatus for a ring-pull can. In the apparatus, a bin device is located at an upper part of the apparatus, a distributing device is installed below a bin device, and a pushing device is arranged on a side of the distributing device and a positioning device. A pattern of a marking content is set on the control system, and a feeding wheel is driven to rotate so that a canned beverage falls down. The pushing device pushes the ring-pull can to the positioning device. The control system receives the positioning signal, and a marking header of the marking device is driven to mark on an outer surface of the ring-pull can. The pushing device pushes the ring-pull can towards a second chute, and an electrical thrust cylinder extends the electric push rod out thereof to push the discharging hopper forward.