A clothes treating apparatus having a heat pump cycle for performing a washing cycle and a drying cycle, the clothes treating apparatus comprising: a drum (110, 210, 310, 410, 510) configured to accommodate a item to be treated; a heat pump cycle (140, 240, 340, 440, 540) including a first evaporator (141, 241, 341, 441, 541), a compressor (143, 243, 343, 443, 543), a condenser (142, 242, 342, 442, 542), and a first expansion valve (144, 244, 344a, 444, 544) connected by a first circulation pipe (145, 245a, 345a, 445a, 545) to circulate a working fluid to dissipate a heat of the working fluid from the condenser (142, 242, 342, 442, 542), to heat air introduced into the drum (110, 210, 310, 410, 510) during the drying cycle; a circulation duct (120, 220, 320, 420, 520) configured to form a circulation passage to allow air that has passed through the drum (110, 210, 310, 410, 510) to recirculate to the drum (110, 210, 310, 410, 510) while passing through the first evaporator (141, 241, 341, 441, 541) and the condenser (142, 242, 342, 442, 542); a circulation fan (130, 230, 330, 430, 530) configured to circulate air along the circulation duct (120, 220, 320, 420, 520); and a controller (170, 270, 370, 470, 570) configured to drive the heat pump cycle (140, 240, 340, 440, 540) and the circulation fan (130, 230, 330, 430, 530) to preheat at least one of the drum (110, 210, 310, 410, 510) or the circulation duct (120, 220, 320, 420, 520), characterized in that the heat pump cycle includes: a second evaporator (249, 449) connected in parallel to the first evaporator (241, 441) by a second circulation pipe (245b, 445b) formed to circulate the working fluid; and first (246, 446) and second (248, 448) three-way valves provided at a first side and a second side of the second circulation pipe (245b, 445b), respectively, to control a flow direction to allow the working fluid to selectively pass through the first evaporator (241, 441) or the second evaporator (249, 449), wherein the controller is configured to control the first (246, 446) and second (248, 448) three-way valves such that working fluid that has passed through the first expansion valve (244, 444) is circulated while bypassing the first evaporator (241, 441) and passing through the second evaporator (249, 449), and air coming out of the drum (210, 410) is heated while passing through the condenser (242, 442). a drum (110, 210, 310, 410, 510) configured to accommodate a item to be treated; a heat pump cycle (140, 240, 340, 440, 540) including a first evaporator (141, 241, 341, 441, 541), a compressor (143, 243, 343, 443, 543), a condenser (142, 242, 342, 442, 542), and a first expansion valve (144, 244, 344a, 444, 544) connected by a first circulation pipe (145, 245a, 345a, 445a, 545) to circulate a working fluid to dissipate a heat of the working fluid from the condenser (142, 242, 342, 442, 542), to heat air introduced into the drum (110, 210, 310, 410, 510) during the drying cycle; a circulation duct (120, 220, 320, 420, 520) configured to form a circulation passage to allow air that has passed through the drum (110, 210, 310, 410, 510) to recirculate to the drum (110, 210, 310, 410, 510) while passing through the first evaporator (141, 241, 341, 441, 541) and the condenser (142, 242, 342, 442, 542); a circulation fan (130, 230, 330, 430, 530) configured to circulate air along the circulation duct (120, 220, 320, 420, 520); and a controller (170, 270, 370, 470, 570) configured to drive the heat pump cycle (140, 240, 340, 440, 540) and the circulation fan (130, 230, 330, 430, 530) to preheat at least one of the drum (110, 210, 310, 410, 510) or the circulation duct (120, 220, 320, 420, 520), characterized in that the heat pump cycle includes: a second evaporator (249, 449) connected in parallel to the first evaporator (241, 441) by a second circulation pipe (245b, 445b) formed to circulate the working fluid; and first (246, 446) and second (248, 448) three-way valves provided at a first side and a second side of the second circulation pipe (245b, 445b), respectively, to control a flow direction to allow the working fluid to selectively pass through the first evaporator (241, 441) or the second evaporator (249, 449), wherein the controller is configured to control the first (246, 446) and second (248, 448) three-way valves such that working fluid that has passed through the first expansion valve (244, 444) is circulated while bypassing the first evaporator (241, 441) and passing through the second evaporator (249, 449), and air coming out of the drum (210, 410) is heated while passing through the condenser (242, 442). a second evaporator (249, 449) connected in parallel to the first evaporator (241, 441) by a second circulation pipe (245b, 445b) formed to circulate the working fluid; and first (246, 446) and second (248, 448) three-way valves provided at a first side and a second side of the second circulation pipe (245b, 445b), respectively, to control a flow direction to allow the working fluid to selectively pass through the first evaporator (241, 441) or the second evaporator (249, 449), wherein the controller is configured to control the first (246, 446) and second (248, 448) three-way valves such that working fluid that has passed through the first expansion valve (244, 444) is circulated while bypassing the first evaporator (241, 441) and passing through the second evaporator (249, 449), and air coming out of the drum (210, 410) is heated while passing through the condenser (242, 442).