Stimulated Brillouin scattering (SBS) is one of the primary factors that limit the output power and stability of narrow-linewidth high-power fiber laser systems. Backward scattered Stokes light would damage the seed and preamplifier system; therefore, suppressing SBS or filtering the Stokes light is a key problem that needs to be addressed. In this study, we design and prepare a matched tilted fiber Bragg grating (TFBG) using an ultraviolet laser and phase masks in a single mode fiber based on the operating wavelength and the tiny frequency shift of SBS, and perform an SBS signal filtering verification experiment. Experimental results show that the average filtering rate of the TFBG to the backward SBS signal is more than 16 dB, which can well protect the front system and help stabilize the system.