A laundry treating apparatus comprising: a cabinet including a first front panel arranged on a front side and a second front panel arranged adjacent to the first front panel; a tub disposed inside the cabinet; a drum rotatably disposed inside the tub to provide a space to accommodate laundry; and a panel cover (114, 116) arranged on a front side of the second front panel to protect the second front panel, wherein: the second front panel comprises an upper end protrusion (124, 126) facing an inner side of a top surface of the panel cover (114, 116) and a control panel including a control part; and wherein the panel cover (114, 116) comprises a first cover configured to protect the control panel, and wherein the upper end protrusion (124, 126) comprises a first upper end protrusion formed on an upper portion of the control panel to cover at least a portion of the top surface of the first cover, wherein the first cover further comprises a water penetration prevention rib formed on the inner side of the top surface of the first cover and having at least a part of an upper portion thereof extending to an inside of the first upper end end protrusion to prevent water from an outside, wherein the first upper end protrusion comprises a rib accommodation groove formed on an inner side of a lower surface of the upper end protrusion, characterised in that the water penetration prevention rib is configured to be inserted into the rib accommodation groove by sliding along a vertical direction. a cabinet including a first front panel arranged on a front side and a second front panel arranged adjacent to the first front panel; a tub disposed inside the cabinet; a drum rotatably disposed inside the tub to provide a space to accommodate laundry; and a panel cover (114, 116) arranged on a front side of the second front panel to protect the second front panel, wherein: the second front panel comprises an upper end protrusion (124, 126) facing an inner side of a top surface of the panel cover (114, 116) and a control panel including a control part; and wherein the panel cover (114, 116) comprises a first cover configured to protect the control panel, and wherein the upper end protrusion (124, 126) comprises a first upper end protrusion formed on an upper portion of the control panel to cover at least a portion of the top surface of the first cover, wherein the first cover further comprises a water penetration prevention rib formed on the inner side of the top surface of the first cover and having at least a part of an upper portion thereof extending to an inside of the first upper end end protrusion to prevent water from an outside, wherein the first upper end protrusion comprises a rib accommodation groove formed on an inner side of a lower surface of the upper end protrusion, characterised in that the water penetration prevention rib is configured to be inserted into the rib accommodation groove by sliding along a vertical direction. the second front panel comprises an upper end protrusion (124, 126) facing an inner side of a top surface of the panel cover (114, 116) and a control panel including a control part; and wherein the panel cover (114, 116) comprises a first cover configured to protect the control panel, and wherein the upper end protrusion (124, 126) comprises a first upper end protrusion formed on an upper portion of the control panel to cover at least a portion of the top surface of the first cover, wherein the first cover further comprises a water penetration prevention rib formed on the inner side of the top surface of the first cover and having at least a part of an upper portion thereof extending to an inside of the first upper end end protrusion to prevent water from an outside, wherein the first upper end protrusion comprises a rib accommodation groove formed on an inner side of a lower surface of the upper end protrusion, characterised in that the water penetration prevention rib is configured to be inserted into the rib accommodation groove by sliding along a vertical direction.