The most typical causes of dark circles are fatigue, insufficient sleep and huge mental pressure, which lead to the obstructed blood circulation. Dark circles can also indicate the weakening renal function. If left aside, dark circle can be more and more serious, even can result in the flabby eyelid, wrinkle and aged skin. Under such circumstances, you should take ample rest and keep yourself relaxed in a good motion. And you should do appropriate amount of aerobic exercises to promote the blood circulation, hence helping get rid of dark circle. In addition, you can apply warm compresses over your eyes and do eye massage to reduce dark circles.