A laminated bottle formed in a cylindrical shape with a bottom, the laminated bottle comprising: an outer layer; and a flexible inner layer in which contents are contained and which is configured to perform volume-reduction deformation in accordance with a decrease of the contents, wherein the inner layer is laminated onto an inner surface of the outer layer and is separable from the inner surface, a bottom section of the outer layer positioned at a bottle bottom portion is provided with a pair of holding ribs pinching and holding the inner layer, wherein each holding rib extends in a bottle radial direction, and the pair of holding ribs are provided on one straight line extending in the bottle radial direction and extend along the straight line, a part of the outer layer is provided with a pair of intake holes allowing outside air to be imported into a space between the outer layer and the inner layer, and the holding ribs are provided in a pair of areas, and the areas are disposed within the bottom section at an interval such that a bottle axis is interposed between the areas in the bottle radial direction, wherein the bottom section of the outer layer is provided with an auxiliary rib pinching and integrally holding the inner layer, the auxiliary rib is arranged in an central part of the bottom section of the outer layer positioned between the pair of holding ribs at the same position as the bottle axis, the auxiliary rib is provided on the straight line so as to extend along the straight line, and the length of the auxiliary rib in the bottle radial direction is less than the length of the holding rib in the bottle radial direction, and the intake holes are provided in a middle part positioned between the auxiliary rib and each holding rib within the bottom section of the outer layer so as to extend along the straight line, the pair of intake holes are disposed at an interval such that the bottle axis is interposed between the intake holes in the bottle radial direction, two ends of each of the intake holes in the bottle radial direction are connected to a side end part of the auxiliary rib and to an inner end part of the holding rib, and each of the intake holes extends in the bottle radial direction so as to connect the side end part of the auxiliary rib and the inner end part of the holding rib. an outer layer; and a flexible inner layer in which contents are contained and which is configured to perform volume-reduction deformation in accordance with a decrease of the contents, wherein the inner layer is laminated onto an inner surface of the outer layer and is separable from the inner surface, a bottom section of the outer layer positioned at a bottle bottom portion is provided with a pair of holding ribs pinching and holding the inner layer, wherein each holding rib extends in a bottle radial direction, and the pair of holding ribs are provided on one straight line extending in the bottle radial direction and extend along the straight line, a part of the outer layer is provided with a pair of intake holes allowing outside air to be imported into a space between the outer layer and the inner layer, and the holding ribs are provided in a pair of areas, and the areas are disposed within the bottom section at an interval such that a bottle axis is interposed between the areas in the bottle radial direction, wherein the bottom section of the outer layer is provided with an auxiliary rib pinching and integrally holding the inner layer, the auxiliary rib is arranged in an central part of the bottom section of the outer layer positioned between the pair of holding ribs at the same position as the bottle axis, the auxiliary rib is provided on the straight line so as to extend along the straight line, and the length of the auxiliary rib in the bottle radial direction is less than the length of the holding rib in the bottle radial direction, and the intake holes are provided in a middle part positioned between the auxiliary rib and each holding rib within the bottom section of the outer layer so as to extend along the straight line, the pair of intake holes are disposed at an interval such that the bottle axis is interposed between the intake holes in the bottle radial direction, two ends of each of the intake holes in the bottle radial direction are connected to a side end part of the auxiliary rib and to an inner end part of the holding rib, and each of the intake holes extends in the bottle radial direction so as to connect the side end part of the auxiliary rib and the inner end part of the holding rib.