Provided is a polarizer protective film of thin type, which has excellent heat resistance and excellent transparency as well as excellent UV-absorbing ability, has good external appearance of a film surface, and can be stably produced by film forming. The polarizer protective film of the present invention includes a resin layer (A) and a resin layer (B1) in the stated order, in which the resin layer (A) is a resin layer containing a (meth)acrylic resin as a main component and contains a UV absorber at a ratio of 0.5 to 10 wt % with respect to a resin component contained in the resin layer (A), and the resin layer (B1) is a resin layer containing, as a main component, a thermoplastic resin other than a (meth) acrylic resin.