A machine tool having two rotary feed axes (A, C) which control the posture of a tool, and a linear feed axis which moves a position of a workpiece relative to the tool, the machine tool comprising: a spindle having a tip on which the tool is mounted, a spindle head which supports the spindle so as to be rotatable around an axis of rotation (Os) of the spindle, a spindle head support part which supports the spindle head so as to be rotatable around a first axis of rotation which extends perpendicular to the axis of rotation (Os) of the spindle, a first rotary device which is provided on the spindle head support part and which rotates the spindle head around the first axis of rotation, a saddle which supports the spindle head support part so as to be rotatable around a second axis of rotation which is perpendicular to the first axis of rotation and which is inclined with respect to the vertical direction, and a second rotary feed axis device which is provided on the saddle and which rotates the spindle head support part around the second axis of rotation, wherein the spindle head support part comprises a pair of left and right arms (20a, 20b) formed on a C-axis pivot shaft which is supported so as to be rotatable around the second axis of rotation on a Z-axis slider which is attached to a front surface of the saddle so as to be reciprocatable in the vertical directions, and characterized in that the machine tool further comprises a bed and a column which is provided on the bed and which supports the saddle so as to be horizontally reciprocatable in the left and right directions, wherein the column has an inclined surface which extends substantially parallel to the second axis of rotation, and wherein the saddle is arranged above the inclined surface. a spindle having a tip on which the tool is mounted, a spindle head which supports the spindle so as to be rotatable around an axis of rotation (Os) of the spindle, a spindle head support part which supports the spindle head so as to be rotatable around a first axis of rotation which extends perpendicular to the axis of rotation (Os) of the spindle, a first rotary device which is provided on the spindle head support part and which rotates the spindle head around the first axis of rotation, a saddle which supports the spindle head support part so as to be rotatable around a second axis of rotation which is perpendicular to the first axis of rotation and which is inclined with respect to the vertical direction, and a second rotary feed axis device which is provided on the saddle and which rotates the spindle head support part around the second axis of rotation, wherein the spindle head support part comprises a pair of left and right arms (20a, 20b) formed on a C-axis pivot shaft which is supported so as to be rotatable around the second axis of rotation on a Z-axis slider which is attached to a front surface of the saddle so as to be reciprocatable in the vertical directions, and characterized in that the machine tool further comprises a bed and a column which is provided on the bed and which supports the saddle so as to be horizontally reciprocatable in the left and right directions, wherein the column has an inclined surface which extends substantially parallel to the second axis of rotation, and wherein the saddle is arranged above the inclined surface.