A laundry treating apparatus is provided that may include a laundry accommodation device that provides a space in which laundry is accommodated; a circulation passage provided outside of the laundry accommodation device, and providing a space in which air circulates to an inside of the laundry accommodation device; a heat exchanger provided in the circulation passage; a filter device provided in the circulation passage, that filters foreign materials introduced to the heat exchanger; and a washer provided between the heat exchanger and the filter device, that sprays washing water to each of the heat exchanger and the filter device.