The invention discloses an ABS panel successively marking device. The device comprises a left limiting frame and a right limiting frame, the two frames are arranged in a parallel mode, grooves which accommodate the ABS panel edge to pass through are formed in the opposite faces of the two limiting frames, a first side plate is vertically arranged on the left limiting frame, a second side plate is vertically arranged on the right limiting frame, the first side plate and the second side plate are symmetrically arranged, a stretchy ink line is connected between the lower end parts of the first side plate and the second side plate, a sliding rod is connected between the upper end parts of the first side plate and the second side plate, the ink line and the sliding rod are arranged in parallel and are both vertical to the left limiting frame and the right limiting frame, a sliding block which can move left and right along the sliding rod is arranged on the outer circumferential surface of the sliding rod in a sleeving mode, a guiding pipe is vertically downward arranged on the lower part of the sliding block, a lifting rod is arranged in the guiding pipe in a sleeved mode, an internal thread is arranged on the inner surface of the guiding pipe, an external thread which is matched with the internal thread is arranged on the outer surface of the lifting rod, and an ink box is arranged on the lower end of the lifting rod. The ABS panel successively marking device is simple in structure and convenient to operate, and marking can be conducted successively by moving the ABS panel.