A machining tool for machining a workpiece, which is attached to a table, by moving a tool attached to a spindle and the workpiece relative to each other, the machine tool comprising: a column defining a recess in a front face thereof, the column comprising Y-axis guides (30, 32) in an up-and-down direction that is the direction of gravity; a spindle head for supporting the spindle; and a moving body supporting the spindle head at a front side thereof, the moving body moving along the Y-axis guides (30, 32) in the up-and-down direction, wherein the Y-axis guides comprise a pair of right-and-left first guides disposed outside of the recess and a second guide disposed inward relative to the pair of first guides and within the recess, wherein the first guides include a pair of right-and-left first guide rails mounted to the front face of the column to extend in the up-and-down direction, and wherein the recess of the column has a section, in a plane perpendicular to the up-and-down direction, in the form of substantially a trapezoidal shape, characterized in that: the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider; the second guide includes a pair of forwardly facing guide surfaces defined by the column; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess. a column defining a recess in a front face thereof, the column comprising Y-axis guides (30, 32) in an up-and-down direction that is the direction of gravity; a spindle head for supporting the spindle; and a moving body supporting the spindle head at a front side thereof, the moving body moving along the Y-axis guides (30, 32) in the up-and-down direction, wherein the Y-axis guides comprise a pair of right-and-left first guides disposed outside of the recess and a second guide disposed inward relative to the pair of first guides and within the recess, wherein the first guides include a pair of right-and-left first guide rails mounted to the front face of the column to extend in the up-and-down direction, and wherein the recess of the column has a section, in a plane perpendicular to the up-and-down direction, in the form of substantially a trapezoidal shape, characterized in that: the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider; the second guide includes a pair of forwardly facing guide surfaces defined by the column; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess. the moving body has an X-axis guide on the front face of the moving body in a right-and-left direction; the machine tool comprises a slider configured to move along the X-axis guide, the spindle head being mounted to the slider; the second guide includes a pair of forwardly facing guide surfaces defined by the column; the pair of guide rails of the first guides are disposed at two of the vertexes of the trapezoidal shape outside the recess; and the pair of guide surfaces of the second guide are disposed at the remaining two of the vertexes of the trapezoidal shape inside the recess.