A machine tool with a lathe tool and a milling cutter, the machine tool comprising: a machine support; a worktable positioned on the machine support; a moving device slidably assembled to the machine support along a first direction and located above the worktable; a lathe feeding mechanism slidably assembled to the moving device along a second direction perpendicular to the first direction, the lathe feeding mechanism comprising a feeding assembly and a lathe tool connected to the feeding assembly; and a milling feeding mechanism slidably assembled to the moving device along the second direction and adjacent to the lathe feeding mechanism, the milling feeding mechanism comprising a milling cutter and configured for driving the milling cutter to move along a third direction substantially perpendicular to the first and the second direction, wherein the lathe tool is driven to move backwards and forwards at high speed along the third direction by the feeding assembly when lathing a surface of a workpiece;_and wherein the lathe feeding mechanism further comprises a sliding saddle, the sliding saddle is slidably connected to the moving device along the second direction, the milling feeding mechanism is slidably mounted on the sliding saddle; the milling feeding mechanism comprises a linear driving assembly and the rotatable driving member, the linear driving assembly mounted on the sliding saddle, the rotatable driving member is connected to the linear driving assembly, the linear driving assembly drives the rotatable driving member and the milling cutter to move along the third direction and to adjust feed of the milling cutter relative to a metallic member, the rotatable driving member is capable of driving the milling cutter to rotate the sliding saddle comprises a mounting block, the linear driving assembly comprises a driving member, a screw leading rod, and a nut, the driving member is mounted on the sliding saddle, the screw leading rod interconnects the driving member and the mounting block, the nut is sleeved on and engages with the screw leading rod. a machine support; a worktable positioned on the machine support; a moving device slidably assembled to the machine support along a first direction and located above the worktable; a lathe feeding mechanism slidably assembled to the moving device along a second direction perpendicular to the first direction, the lathe feeding mechanism comprising a feeding assembly and a lathe tool connected to the feeding assembly; and a milling feeding mechanism slidably assembled to the moving device along the second direction and adjacent to the lathe feeding mechanism, the milling feeding mechanism comprising a milling cutter and configured for driving the milling cutter to move along a third direction substantially perpendicular to the first and the second direction, wherein the lathe tool is driven to move backwards and forwards at high speed along the third direction by the feeding assembly when lathing a surface of a workpiece;_and wherein the lathe feeding mechanism further comprises a sliding saddle, the sliding saddle is slidably connected to the moving device along the second direction, the milling feeding mechanism is slidably mounted on the sliding saddle; the milling feeding mechanism comprises a linear driving assembly and the rotatable driving member, the linear driving assembly mounted on the sliding saddle, the rotatable driving member is connected to the linear driving assembly, the linear driving assembly drives the rotatable driving member and the milling cutter to move along the third direction and to adjust feed of the milling cutter relative to a metallic member, the rotatable driving member is capable of driving the milling cutter to rotate the sliding saddle comprises a mounting block, the linear driving assembly comprises a driving member, a screw leading rod, and a nut, the driving member is mounted on the sliding saddle, the screw leading rod interconnects the driving member and the mounting block, the nut is sleeved on and engages with the screw leading rod.