A clothes dryer comprising: a body; a drum provided inside of the body; a fan device configured to circulate air for drying supplied to the drum; a circulation air flow path in communication with the drum and in which the air for drying is circulated by the fan device; a cooling device configured to dehumidify the air by cooling the air for drying in the circulation air flow path; a condensed water storage chamber in communication with the circulation air flow path and configured to store water generated by the cooling device; a pump chamber in communication with an outside space of the circulation air flow path and configured to accommodate a pump pumping the water; a first communication path configured to flow the condensed water stored in the condensed water storage chamber to the pump chamber through an opening between the condensed water storage chamber and the pump chamber; a second communication path configured to allow the circulation air flow path to communicate with at least one of the pump chamber and the outside space of the circulation air flow path; and a drain hole configured to allow the condensed water storage chamber to communicate with the circulation air flow path, wherein the top of the opening of the first communication path between the condensed water storage chamber and the pump chamber is lower than the lower end of the drain hole, and wherein the circulation air flow path comprises a first air flow path in communication with the condensed water storage chamber to allow the air for drying passed through the drum to flow to the fan device, and a second air flow path provided to allow the air for drying passed through the fan device to flow to the drum again, and wherein the second communication path maintains at least one communication among the first air flow path, the pump chamber and the outside space of the circulation air flow path, when air flow through the first communication path is blocked by the water in the condensed water storage chamber. a body; a drum provided inside of the body; a fan device configured to circulate air for drying supplied to the drum; a circulation air flow path in communication with the drum and in which the air for drying is circulated by the fan device; a cooling device configured to dehumidify the air by cooling the air for drying in the circulation air flow path; a condensed water storage chamber in communication with the circulation air flow path and configured to store water generated by the cooling device; a pump chamber in communication with an outside space of the circulation air flow path and configured to accommodate a pump pumping the water; a first communication path configured to flow the condensed water stored in the condensed water storage chamber to the pump chamber through an opening between the condensed water storage chamber and the pump chamber; a second communication path configured to allow the circulation air flow path to communicate with at least one of the pump chamber and the outside space of the circulation air flow path; and a drain hole configured to allow the condensed water storage chamber to communicate with the circulation air flow path, wherein the top of the opening of the first communication path between the condensed water storage chamber and the pump chamber is lower than the lower end of the drain hole, and wherein the circulation air flow path comprises a first air flow path in communication with the condensed water storage chamber to allow the air for drying passed through the drum to flow to the fan device, and a second air flow path provided to allow the air for drying passed through the fan device to flow to the drum again, and wherein the second communication path maintains at least one communication among the first air flow path, the pump chamber and the outside space of the circulation air flow path, when air flow through the first communication path is blocked by the water in the condensed water storage chamber.