An artificial bait with replaceable shell includes a fish body shell and a detachable integral sheet which are connected up and down, a connecting groove is defined at a bottom of the fish body shell and matches with the detachable integral sheet, the fish body shell and the detachable integral sheet are detachably clamped together to form an entire fish body shape after the detachable integral sheet is clamped into the shell via the connecting groove at the bottom of the shell, achieving that the detachable integral sheet can be repeatedly used while the shells required for different fishing environments can be replaced at will, which can be widely applied to the technical field of fishing gear design.