The present invention relates to a laundry treating apparatus and a control method thereof. In an operation of a pump that circulates and drains washing water, it is possible to restrict an unnecessary operation, prevent damage to the pump due to an overload, solve a noise problem caused by a pump operation in an overload state, and enhance efficiency according to pump control by detecting the degree of load of washing water drained in response to the current and rotating speed of a motor equipped in the pump and determining the presence or absence of an abnormality due to foreign substances.