A fuel cell module comprising: a fuel cell stack formed by stacking fuel cells for generating electricity by electrochemical reactions between a fuel gas and an oxygen-containing gas; a reformer for reforming a mixed gas of water vapor and a raw fuel chiefly containing hydrocarbon to produce the fuel gas supplied to the fuel cell stack; an evaporator for evaporating water, and supplying the water vapor to the reformer; a heat exchanger for raising temperature of the oxygen-containing gas by heat exchange with combustion gas, and supplying the oxygen-containing gas to the fuel cell stack; an exhaust gas combustor for combusting the fuel gas discharged from the fuel cell stack as a fuel exhaust gas and the oxygen-containing gas discharged from the fuel cell stack as an oxygen-containing gas to thereby produce the combustion gas; and a start-up combustor for combusting the raw fuel and the oxygen-containing gas to thereby produce the combustion gas, the fuel cell module further comprising: a first area where the exhaust gas combustor and the start-up combustor are provided; an annular second area disposed around the first area where one of the reformer and the heat exchanger is provided; an annular third area disposed around the second area where another of the reformer and the heat exchanger is provided; and an annular fourth area disposed around the third area where the evaporator is provided; wherein the fuel cell stack is provided on one end of an axial direction of the first to fourth areas, characterized in that in the first area, the exhaust gas combustor and the start-up combustor are provided separately from each other and coaxially with each other in the same space, and the exhaust gas combustor is provided on the one end of the axial direction and the start-up combustor is provided on the other end of the axial direction which is an opposite end of the one end. a fuel cell stack formed by stacking fuel cells for generating electricity by electrochemical reactions between a fuel gas and an oxygen-containing gas; a reformer for reforming a mixed gas of water vapor and a raw fuel chiefly containing hydrocarbon to produce the fuel gas supplied to the fuel cell stack; an evaporator for evaporating water, and supplying the water vapor to the reformer; a heat exchanger for raising temperature of the oxygen-containing gas by heat exchange with combustion gas, and supplying the oxygen-containing gas to the fuel cell stack; an exhaust gas combustor for combusting the fuel gas discharged from the fuel cell stack as a fuel exhaust gas and the oxygen-containing gas discharged from the fuel cell stack as an oxygen-containing gas to thereby produce the combustion gas; and a start-up combustor for combusting the raw fuel and the oxygen-containing gas to thereby produce the combustion gas, the fuel cell module further comprising: a first area where the exhaust gas combustor and the start-up combustor are provided; an annular second area disposed around the first area where one of the reformer and the heat exchanger is provided; an annular third area disposed around the second area where another of the reformer and the heat exchanger is provided; and an annular fourth area disposed around the third area where the evaporator is provided; wherein the fuel cell stack is provided on one end of an axial direction of the first to fourth areas, a first area where the exhaust gas combustor and the start-up combustor are provided; an annular second area disposed around the first area where one of the reformer and the heat exchanger is provided; an annular third area disposed around the second area where another of the reformer and the heat exchanger is provided; and an annular fourth area disposed around the third area where the evaporator is provided; wherein the fuel cell stack is provided on one end of an axial direction of the first to fourth areas,