a housing disposed on a floor surface in a room, and including a first face and a second face orthogonal to a first direction, a third face and a fourth face orthogonal to a second direction, and a fifth face orthogonal to a third direction and facing the floor face, the first direction, the second direction, and the third direction being three directions orthogonal to each other;

a machining table disposed inside the housing, and including a table face on which a workpiece is placed and that is parallel to the floor surface;

a gate including a pillar provided on at least one of opposite sides of the machining table in the second direction, and a beam connected to the pillar and extending in the second direction above the machining table;

a machining head supported by the beam and adapted to emit laser light;

a loading/unloading door, being openable and closable, for use in loading/unloading the workpiece;

an exhaust port provided on the second face and connected to an exhaust unit that generates an airflow that is a flow of air inside the housing;

an outside air intake port provided in an upper part of the housing between the first face and the machining head in the first direction, and adapted to take in outside air that is air outside the housing; and

a deflector adapted to guide the outside air introduced through the outside air intake port toward the machining head, wherein

the machining head is disposed between the second face and the outside air intake port at all positions in a range of movement.