Fuel cell membrane-electrode assembly

Provided is a fuel cell membrane-electrode assembly comprising: a cathode electrode and an anode electrode positioned so as to face each other; and a polymer electrolyte membrane positioned between the cathode electrode and the anode electrode, wherein the cathode electrode and the anode electrode respectively comprise: an electrode substrate; a microporous layer positioned on the electrode substrate; and a first catalyst layer positioned on the microporous layer, wherein at least one second catalyst layer is positioned between the first catalyst layer and the polymer electrolyte membrane, the second catalyst layer includes a reaction-inducing material, the reaction-inducing material is metal or alloy selected from Ir, Ru, Ir a Ru b , Ir c Ru d M e , Ir f M g , Ru f M g , and a combination thereof, or is an oxide selected from IrO x , RuO x , Ir a Ru b O x , Ir c Ru d M e O x , Ir f M g O x , Ru f M g O x , and a combination thereof (M, a, b, c, d, e, f, g, and x are the same as those defined in the description).