The　dinuclear　complex　[VO　(L)]2　(μ-O)　(HL　=　salicylaldehyde　benzoylhydrazone)　was　synthesized　and　characterized　by　elemental　analysis,　IR,　UV,　cyclic　voltammetry.　　The　results　showed　that　two　oxygen　atoms　and　one　nitrogen　atom　of　the　tridentate　hydrazone　ligand　are　coordinated　to　vanadium(Ⅴ)　atom.　The　vanadium　atom　approximates　to　a　distorted　square　pyramidal　coordination　sphere.　The　redox　potentials　of　the　title　complex　in　different　solvents　follow　the　order:CH2Cl2＜CH3CN＜DMF.