A WASHING MACHINE AND WASHING METHOD

摘要

PURPOSE: A washing machine and washing method thereof are provided to maintain clean states in a washing machine by automatically discharging foreign materials with washing water to outside. CONSTITUTION: A first pump(14) pumps washing water drained from an external container in order to collect foreign materials through a filter. A draining water line is connected with the external container through a circulation line. The draining water line is connected with a location between the filter and an injection nozzle. A second pump(18) pumps the washing water guided to the circulation line, in order to discharge the foreign material with the washing water.