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Titanium powder is more and more widely used in new forming methods such as additive manufacturing, and it is mainly produced by molten salt electrolysis and gas atomization at present. The properties and applications of titanium powder prepared by the two different preparation processes were comprehensively compared and analyzed by means of X-ray diffraction(XRD), scanning electron microscope(SEM), Brunauer Emmett Teller(BET), thermogravimetry analysis and differential scanning calorimeter(TGA-DSC) from the phase structure, cell parameters, micro morphology, surface state, thermal stability and other aspects. The results show that the morphology of the titanium powder produced by molten salt electrolysis is irregular and the identity is poor, which is suitable for powder metallurgy raw material and thermal reducing agent. And the microstructure of atomized titanium powder is uniform and spherical, and the specific surface area is 3.69 m~2/g, which is more suitable for additive manufacturing.