Disseminated intravascular coagulation is known to be a syndrome which can evoke compound derangement in the cascade mechanism of normal hemostasis, which causes depletion of coagulation factors, secondary fibrinolysis, and eventually massive and uncontrollable bleeding. Even though there still are not absolute criteria for diagnosis, some laboratory findings - platelet count, plasma fibrinogen, fibrinogen degradation product, plasma protamine test, etc - can suggest the possibility to diaglose. The basic principle in management is to eliminate the triggering mechanism as soon as possible and to cure the initial disease entities. In orthopedic point of view, disseminated intravascular coagulation can occur in the case of malignancy, massive trauma, infection, sepsis and so on. Authors report a case of disseminated intravascular coagulation occured in a 12 year 2 month old male patient who visited Hanyang university hospital in septic condition after emergency operations following multiple open fractures on his left femur. tibia and fibula in a motor-cycle accident.