The present invention provides a machine tool capable of achieving a higher feed rate of a spindle and weight reduction while ensuring necessary stiffness of a column. The present invention includes: a bed 2; a saddle 4 disposed on the bed 2 to be movable in a Y-axis direction in a front view of the machine; a table 5 disposed on the saddle 4 to be movable in an X-axis direction; a column 3 having a shape of a gate that is bridged over a travel range of the table 5 and has right and left legs 3a fixed on the bed 2 and a beam connecting tops of the right and left legs 3a; and a spindle head 6 disposed on a front face of the beam 3b to be movable in a Z-axis direction.