Dishwasher and a control method the same

A dishwasher comprising:

• a washing chamber accommodating a dish;
• a sump disposed under the washing chamber, and storing washing water;
• a filter part provided to the sump, and filtering a foreign substance from the washing water;
• a washing water pump disposed at a side of the filter part, and providing driving force to circulate the washing water within the washing chamber and the sump;
• a discharging pump disposed at another side of the filter part, and providing driving force to discharge the washing water out of the dishwasher;
• and
• a control part controlling driving of the washing water pump or the discharging pump to wash or rinse the dish accommodated in the washing chamber or to discharge the washing water,
• wherein the control part controls the washing water pump and the discharging pump to be turned on/off a preset number of times after the washing or rinsing of the dish is completed before the washing water is discharged.