A metal laminating and modeling method for modeling a three-dimensional modeled object having a main surface and a side surface (13, 14) extending in a direction intersecting with the main surface from an end portion of the main surface by sequentially laminating metal layers, the method comprising: a metal layer formation step of forming one metal layer of the metal layers by forming a plurality of weld beads (100a, 100b, 100c) formed by arc welding so as to be arranged in a horizontal direction (Dh) on a table having a target surface on which the metal layers are to be formed, characterized in that the table rotates around a central axis and in that the metal layer formation step has a center portion weld bead formation step of setting the table in a horizontal state such that the target surface faces upward in a vertical direction (Dv) and forming the plurality of weld beads so as to be overlapped in a direction in which the target surface extends, a first table inclination step of inclining the table such that the target surface faces in a first inclination direction intersecting with the vertical direction (Dv), a first end portion weld bead formation step of, in a state in which the table is inclined, forming at least one first end portion weld bead so as to overlap obliquely and from above, among the plurality of weld beads formed in the center portion weld bead formation step, on a weld beads located at an uppermost end in the vertical direction (Dv) and being an outermost center weld bead in the radial direction (Dr) when seen in the direction orthogonal to the central axis, the at least one first end portion weld bead forming an outside region in the radial direction (Dr) in the one metal layer, and wherein the table is rotated around the central axis to continuously form the first end portion weld beads in the circumferential direction in a ring shape, and the metal layer formation step is executed a plurality of times such that the weld beads (100a, 100b, 100c) are laminated on the formed metal layers. a metal layer formation step of forming one metal layer of the metal layers by forming a plurality of weld beads (100a, 100b, 100c) formed by arc welding so as to be arranged in a horizontal direction (Dh) on a table having a target surface on which the metal layers are to be formed, characterized in that the table rotates around a central axis and in that the metal layer formation step has a center portion weld bead formation step of setting the table in a horizontal state such that the target surface faces upward in a vertical direction (Dv) and forming the plurality of weld beads so as to be overlapped in a direction in which the target surface extends, a first table inclination step of inclining the table such that the target surface faces in a first inclination direction intersecting with the vertical direction (Dv), a first end portion weld bead formation step of, in a state in which the table is inclined, forming at least one first end portion weld bead so as to overlap obliquely and from above, among the plurality of weld beads formed in the center portion weld bead formation step, on a weld beads located at an uppermost end in the vertical direction (Dv) and being an outermost center weld bead in the radial direction (Dr) when seen in the direction orthogonal to the central axis, the at least one first end portion weld bead forming an outside region in the radial direction (Dr) in the one metal layer, and wherein the table is rotated around the central axis to continuously form the first end portion weld beads in the circumferential direction in a ring shape, and the metal layer formation step is executed a plurality of times such that the weld beads (100a, 100b, 100c) are laminated on the formed metal layers.