Photonic Doppler velocimetry (PDV) is a new type of laser velocimetry system. It is widely used in the velocity measurement of the shock wave, detonation wave and other short-time high-velocity moving objects. The velocities of different points of the target can be obtained using the multi-point measurement so as to find out the deformation of the target surface. It is proposed to use bare fiber bundle as probe of PDV system to improve the spatial resolution of measurement. Two-point velocity measurement with spatial resolution of 375 μm is experimentally realized. Because of smaller probe spacing, the measuring results obtained from a probe could be influenced by the reflected light from another probe. Theoretical and experimental results show that the measuring results are not affected by the stray light when the points on the target surface have the same velocity, and the measuring errors are related not only with the velocity difference of two points but also with the intensities and phases of sensing and stray light when the points on the target surface have different velocities.