A laundry treatment apparatus comprising: a cabinet having an open surface; an accommodation unit (4, 5); a drawer provided in the cabinet and configured to be withdrawn out of the cabinet through the open surface; wherein the drawer comprising: a drawer body defining a space for accommodating the accommodation unit and configured to be withdrawn out of the cabinet through the open surface; and a drawer panel provided at a front surface of the drawer body and configured to close the open surface based on the drawer body being retracted within the cabinet, wherein the accommodation unit (4, 5) is provided within the drawer body and defining a space for receiving washing water: a discharge unit disposed at a rear panel of the drawer and configured to discharge washing water from the accommodation unit to the outside of the accommodation unit; and a water discharge channel configured to guide discharged washing water in the discharge unit to the outside of the cabinet, characterized in that the laundry treating apparatus further comprises a residual water discharge unit configured to provide an alternative path for discharging washing water in the discharge unit to the outside of the cabinet, wherein the residual water discharge unit includes a residual water discharge tube communicating with the discharge unit and extending toward the drawer panel from the discharge unit, and wherein the residual water discharge tube comprises one end connected to the discharge unit and a free end detachably fixed to a side surface of the drawer, wherein at least a portion of the residual water discharge unit is exposed to and accessible from the outside of the cabinet based on a part of the drawer body being withdrawn from the cabinet, and wherein the entire residual water discharge unit is covered by the cabinet based on the drawer body being retracted within the cabinet. a cabinet having an open surface; an accommodation unit (4, 5); a drawer provided in the cabinet and configured to be withdrawn out of the cabinet through the open surface; wherein the drawer comprising: a drawer body defining a space for accommodating the accommodation unit and configured to be withdrawn out of the cabinet through the open surface; and a drawer panel provided at a front surface of the drawer body and configured to close the open surface based on the drawer body being retracted within the cabinet, wherein the accommodation unit (4, 5) is provided within the drawer body and defining a space for receiving washing water: a discharge unit disposed at a rear panel of the drawer and configured to discharge washing water from the accommodation unit to the outside of the accommodation unit; and a water discharge channel configured to guide discharged washing water in the discharge unit to the outside of the cabinet, characterized in that the laundry treating apparatus further comprises a residual water discharge unit configured to provide an alternative path for discharging washing water in the discharge unit to the outside of the cabinet, a drawer body defining a space for accommodating the accommodation unit and configured to be withdrawn out of the cabinet through the open surface; and a drawer panel provided at a front surface of the drawer body and configured to close the open surface based on the drawer body being retracted within the cabinet, wherein the accommodation unit (4, 5) is provided within the drawer body and defining a space for receiving washing water: a discharge unit disposed at a rear panel of the drawer and configured to discharge washing water from the accommodation unit to the outside of the accommodation unit; and a water discharge channel configured to guide discharged washing water in the discharge unit to the outside of the cabinet, characterized in that the laundry treating apparatus further comprises a residual water discharge unit configured to provide an alternative path for discharging washing water in the discharge unit to the outside of the cabinet, a discharge unit disposed at a rear panel of the drawer and configured to discharge washing water from the accommodation unit to the outside of the accommodation unit; and a water discharge channel configured to guide discharged washing water in the discharge unit to the outside of the cabinet, characterized in that the laundry treating apparatus further comprises a residual water discharge unit configured to provide an alternative path for discharging washing water in the discharge unit to the outside of the cabinet, wherein the residual water discharge unit includes a residual water discharge tube communicating with the discharge unit and extending toward the drawer panel from the discharge unit, and wherein the residual water discharge tube comprises one end connected to the discharge unit and a free end detachably fixed to a side surface of the drawer, wherein at least a portion of the residual water discharge unit is exposed to and accessible from the outside of the cabinet based on a part of the drawer body being withdrawn from the cabinet, and wherein the entire residual water discharge unit is covered by the cabinet based on the drawer body being retracted within the cabinet.