A fuel cell metal separator structure and two membrane electrode assemblies (2,2), wherein the fuel cell metal separator structure is provided between the two membrane electrode assemblies (2,2), the fuel cell metal separator structure comprises: a first separator that is in contact with a first membrane electrode assembly of the two membrane electrode assemblies (2,2); and a second separator that is in contact with a second membrane electrode assembly of the two membrane electrode assemblies (2,2), the first and second separators (3, 4) are metal plates of stainless steel formed by press working, which are corrugated plates that have front and back faces with mutually reversed shapes, gas channels are formed between the first separator and the first membrane electrode assembly and between the second separator and the second membrane electrode assembly, a cooling medium channel is formed between the first separator and the second separator, and in a stacking direction of the first separator and the second separator and the membrane electrode assemblies (2,2), on a periphery of the membrane electrode assemblies (2,2), the first separator and the second separator are in direct contact with each other so as to form sealing grooves, characterized in that the fuel cell metal separator structure further comprises an electrically conductive member, and in a stacking direction of the first separator and the second separator and the membrane electrode assemblies (2,2), in a reaction area sandwiched between the two membrane electrode assemblies (2,2), the electrically conductive member is put between the first separator and the second separator, and both of the first separator and the second separator are in contact with the electrically conductive member. the fuel cell metal separator structure is provided between the two membrane electrode assemblies (2,2), the fuel cell metal separator structure comprises: a first separator that is in contact with a first membrane electrode assembly of the two membrane electrode assemblies (2,2); and a second separator that is in contact with a second membrane electrode assembly of the two membrane electrode assemblies (2,2), a first separator that is in contact with a first membrane electrode assembly of the two membrane electrode assemblies (2,2); and a second separator that is in contact with a second membrane electrode assembly of the two membrane electrode assemblies (2,2), the first and second separators (3, 4) are metal plates of stainless steel formed by press working, which are corrugated plates that have front and back faces with mutually reversed shapes, gas channels are formed between the first separator and the first membrane electrode assembly and between the second separator and the second membrane electrode assembly, a cooling medium channel is formed between the first separator and the second separator, and in a stacking direction of the first separator and the second separator and the membrane electrode assemblies (2,2), on a periphery of the membrane electrode assemblies (2,2), the first separator and the second separator are in direct contact with each other so as to form sealing grooves, characterized in that the fuel cell metal separator structure further comprises an electrically conductive member, and in a stacking direction of the first separator and the second separator and the membrane electrode assemblies (2,2), in a reaction area sandwiched between the two membrane electrode assemblies (2,2), the electrically conductive member is put between the first separator and the second separator, and both of the first separator and the second separator are in contact with the electrically conductive member.