A novel yellow-green BaMoO4:Pr3+ phosphor is successfully prepared via high-temperature solid-phase method, and its structure, morphology and luminescence properties are studied. The X-ray diffraction (XRD) patterns results show that the samples obtained after sintered at 1300 ℃ have the scheelite structure. The morphology of the sample has irregular shapes which can be observed by scanning electronic microscopy (SEM). The excitation spectrum of phosphor sample consists of strong charge transfer (CT) band and characteristic excitation peaks of Pr3+. The main excitation peaks are at 447 nm (3H4→3P2), 472 nm(3H4→3P1) and 485 nm(3H4→3P0), respectively. The emission spectrum peaks locate at 527 nm(3P1→3H4,5), 542 nm and 551 nm (3P0→3H5), 596 nm(1D2→3H4), 614 nm(3P0→3H6) and 642 nm(3P0→3F2), respectively. The strongest peak appears at 642 nm. The optimum doping mole fraction of Pr3+ is 0.2%~0.3%. The results show that BaMoO4:Pr3+ is a promising yellow-green phosphor which can be effectively excited by blue light emitting diode (LED).