A machine control system employing a lathe tool and a cutter, comprising: an input module; a worktable; a first sliding module; a second sliding module; a lathe feeding module; a lathe tool connected to the lathe feeding module; a cutting feeding module; a cutter connected to the cutting feeding module, and a control module electrically connected to the input module, the worktable, the first sliding module, the second sliding module, the lathe feeding module, and the cutting feeding module, wherein the first sliding module is controlled by the input module inputting control parameters, the first sliding module drives the second sliding module to slide along a first direction, the control module controls the second sliding module, the second sliding module drives the lathe feeding module and the cutting feeding module to slide along a second direction perpendicular to the first direction, the lathe feeding module controls the lathe tool to slide along a third direction perpendicular to the first direction and the second direction reciprocally at a high speed, and the worktable drives a metallic member to rotate, a distance of a reciprocating movement of the lathe tool in the third direction varies with a movement of the lathe tool in the first direction, thereby machining a top portion with a three dimensional curved surface of the metallic member, the cutting feeding module controls the cutter to slide along the third direction and rotate along a first axis parallel to the third direction, and the worktable is configured to rotate around a second axis parallel to the third direction; and wherein the control module further comprises a rotating controlling unit electrically connected to the worktable to control the worktable to rotate. an input module; a worktable; a first sliding module; a second sliding module; a lathe feeding module; a lathe tool connected to the lathe feeding module; a cutting feeding module; a cutter connected to the cutting feeding module, and a control module electrically connected to the input module, the worktable, the first sliding module, the second sliding module, the lathe feeding module, and the cutting feeding module, wherein the first sliding module is controlled by the input module inputting control parameters, the first sliding module drives the second sliding module to slide along a first direction, the control module controls the second sliding module, the second sliding module drives the lathe feeding module and the cutting feeding module to slide along a second direction perpendicular to the first direction, the lathe feeding module controls the lathe tool to slide along a third direction perpendicular to the first direction and the second direction reciprocally at a high speed, and the worktable drives a metallic member to rotate, a distance of a reciprocating movement of the lathe tool in the third direction varies with a movement of the lathe tool in the first direction, thereby machining a top portion with a three dimensional curved surface of the metallic member, the cutting feeding module controls the cutter to slide along the third direction and rotate along a first axis parallel to the third direction, and the worktable is configured to rotate around a second axis parallel to the third direction; and wherein the control module further comprises a rotating controlling unit electrically connected to the worktable to control the worktable to rotate.