A sanitary tissue paper roll wherein, a sheet of the sanitary tissue paper has a grammage of 15-25 g/m 2 and a paper thickness is 120-160 micrometer per sheet, a longitudinal/lateral ratio of dry-state tensile strength of the sheet is 2.0-4.0, the "dry-state tensile strength" being tensile strength measured according to tensile-characteristic testing method defined by Japan Industrial Standard, JISP8113, the "longitudinal/lateral ratio of dry-state tensile strength" indicating a ratio obtained by dividing the dry-state tensile strength in a longitudinal direction by the dry-state tensile strength in a width direction, a weight proportion of Nadelholz bleached kraft pulp (NBKP) in pulp feedstock for the sheet is 20-60%, the sheet is subject to an embossing process, length of the sanitary tissue paper wound to the sanitary tissue paper roll is 29-33 m for two-ply, and 19-22 m for three-ply, a roll compressibility of the sanitary tissue paper roll is 0.68-0.74 m/cm 2, the roll compressibility being defined as a value obtained by dividing the length of the sanitary tissue paper wound to the sanitary tissue paper roll by an area of a plane orthogonal to a central axis of the sanitary tissue paper roll, an inner roll diameter of the sanitary tissue paper roll ranges between 30 and 50 mm, an outer roll diameter of the sanitary tissue paper roll ranges between 100 and 120 mm, when the sanitary tissue paper roll of two-ply or three-ply is laid on a horizontal surface with its center axis in a horizontal orientation, and a circular plate indenter, having an area of 2 cm 2 and being arranged at the center of an upper surface of an outer periphery of a body of the sanitary tissue paper roll, is vertically pressed in two steps at least at respective pressing pressures of 0.5 gf/cm 2 and 50 gf/cm 2, a difference in depths upon the respective pressing is within a range of 2.5-3.5 mm, and the sheet has an elongation rate, in the longitudinal direction, of 20-35%. a sheet of the sanitary tissue paper has a grammage of 15-25 g/m 2 and a paper thickness is 120-160 micrometer per sheet, a longitudinal/lateral ratio of dry-state tensile strength of the sheet is 2.0-4.0, the "dry-state tensile strength" being tensile strength measured according to tensile-characteristic testing method defined by Japan Industrial Standard, JISP8113, the "longitudinal/lateral ratio of dry-state tensile strength" indicating a ratio obtained by dividing the dry-state tensile strength in a longitudinal direction by the dry-state tensile strength in a width direction, a weight proportion of Nadelholz bleached kraft pulp (NBKP) in pulp feedstock for the sheet is 20-60%, the sheet is subject to an embossing process, length of the sanitary tissue paper wound to the sanitary tissue paper roll is 29-33 m for two-ply, and 19-22 m for three-ply, a roll compressibility of the sanitary tissue paper roll is 0.68-0.74 m/cm 2, the roll compressibility being defined as a value obtained by dividing the length of the sanitary tissue paper wound to the sanitary tissue paper roll by an area of a plane orthogonal to a central axis of the sanitary tissue paper roll, an inner roll diameter of the sanitary tissue paper roll ranges between 30 and 50 mm, an outer roll diameter of the sanitary tissue paper roll ranges between 100 and 120 mm, when the sanitary tissue paper roll of two-ply or three-ply is laid on a horizontal surface with its center axis in a horizontal orientation, and a circular plate indenter, having an area of 2 cm 2 and being arranged at the center of an upper surface of an outer periphery of a body of the sanitary tissue paper roll, is vertically pressed in two steps at least at respective pressing pressures of 0.5 gf/cm 2 and 50 gf/cm 2, a difference in depths upon the respective pressing is within a range of 2.5-3.5 mm, and the sheet has an elongation rate, in the longitudinal direction, of 20-35%.