A laundry treating apparatus comprising: a main body having a laundry inlet port on a front surface; and a door configured to open and close the laundry inlet port, wherein the door comprises: an outer frame disposed toward an outside of the main body; a transparent front panel attached to a front surface of the outer frame to define a front surface of the door; a door window spaced apart from the transparent front panel toward the laundry inlet port and disposed to correspond to the laundry inlet port; an inner frame connected to the outer frame and the door window, and defining a part of a rear surface of the door; and a flow path (39, 40, 41) for communicating an inside and an outside of the door with each other, wherein the inside of the door includes a space between the transparent front panel and the outer frame; wherein the main body comprises: a front panel having the laundry inlet port; and a recess part recessed in the front panel to surround the laundry inlet port and accommodating a part of the inner frame; characterized in that the flow path (39, 40, 41) comprises: at least one communication hole provided in the outer frame; and at least one discharge hole provided in the inner frame, wherein the discharge hole is spaced apart from a circumference of the recess part, wherein the outer frame and the inner frame have diameters greater than an outer diameter of the recess part, and the discharge hole is formed through the inner frame toward a circumferential portion where the recess part starts to be recessed. a main body having a laundry inlet port on a front surface; and a door configured to open and close the laundry inlet port, wherein the door comprises: an outer frame disposed toward an outside of the main body; a transparent front panel attached to a front surface of the outer frame to define a front surface of the door; a door window spaced apart from the transparent front panel toward the laundry inlet port and disposed to correspond to the laundry inlet port; an inner frame connected to the outer frame and the door window, and defining a part of a rear surface of the door; and a flow path (39, 40, 41) for communicating an inside and an outside of the door with each other, wherein the inside of the door includes a space between the transparent front panel and the outer frame; an outer frame disposed toward an outside of the main body; a transparent front panel attached to a front surface of the outer frame to define a front surface of the door; a door window spaced apart from the transparent front panel toward the laundry inlet port and disposed to correspond to the laundry inlet port; an inner frame connected to the outer frame and the door window, and defining a part of a rear surface of the door; and a flow path (39, 40, 41) for communicating an inside and an outside of the door with each other, wherein the inside of the door includes a space between the transparent front panel and the outer frame; wherein the main body comprises: a front panel having the laundry inlet port; and a recess part recessed in the front panel to surround the laundry inlet port and accommodating a part of the inner frame; a front panel having the laundry inlet port; and a recess part recessed in the front panel to surround the laundry inlet port and accommodating a part of the inner frame; characterized in that the flow path (39, 40, 41) comprises: at least one communication hole provided in the outer frame; and at least one discharge hole provided in the inner frame, wherein the discharge hole is spaced apart from a circumference of the recess part, wherein the outer frame and the inner frame have diameters greater than an outer diameter of the recess part, and the discharge hole is formed through the inner frame toward a circumferential portion where the recess part starts to be recessed. at least one communication hole provided in the outer frame; and at least one discharge hole provided in the inner frame, wherein the discharge hole is spaced apart from a circumference of the recess part, wherein the outer frame and the inner frame have diameters greater than an outer diameter of the recess part, and the discharge hole is formed through the inner frame toward a circumferential portion where the recess part starts to be recessed.