In 2011,Korea faced its debt problem seriously,until the second quarter of 2011,Korean total debt of government,firm and household reached 2.9 trillion US dollars with an increasing rate 5.7%,this debt amount was about 2.6 times of Korean GDP,it indicates that the Korean debt problem is a potential threat to the Korean economy. In this study,we reviewed the situation of Korean government,firm and household's debt problem in 2011,then we analyzed the reason of this high debt problem,at the last,we also present some suggestions and implications of this high debt problem for Korean government. <<