In this paper the clinical observation of mini-does heparin admini-stration(750-3125 units or 6-25 mg daily) by intravenous infusion in 52 cases of disseminated intravascular coagulation (DIC) from various kinds of internal diseases was reported. The results showed 40 cases (76. 9%) were effected. In comparison with the investigated group, another group (48 cases) treated with conventional dosage of heparin infusion (12 500-25 000 units i. v. daily) and a contol group treated with conventional medical thera...