A fuel cell module includes a first area where an exhaust gas combustor and a start-up combustor are provided, an annular second area around the first area and where a reformer and an evaporator are provided, and an annular third area around the second area and where a heat exchanger is provided. A circumscribed non-uniform flow suppression plate is provided along the minimum circumscribed circle which is tangent to outer surfaces of heat exchange pipes of the heat exchanger.