The present invention discloses a spinal surgical instrument (1). The spinal surgical instrument (1) is operated with a precedent device (9). The precedent device (1) includes at least one guiding unit (94). The spinal surgical instrument (1) includes an operating element (11), an extending element (12), a handling element (13) and a guide element (14). One end of the extending element (12) connects to the operating element (11). The other end of the extending element (12) connects to the handling element (13). The guide element (14) is disposed on the extending element (12) and includes at least one guide hole (141). The operating element (11) is guided to the precedent device (9) by the passing of the guide hole (141) along the guiding unit (94).
