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The calcification or ossification of an epidural hematoma (EDH) has been reported rarely. Until now, the mechanism of the calcification is still unclear. A 20-year-old man was presenting with confused consciousness after a fall. Initial brain CT showed acute EDH at left frontal area. Two weeks after trauma, follow-up brain CT demonstrated that increased amount of hypo-density EDH and calcified thin inner layer. The patient was treated with conservative management, as he showed no neurological deficits except headache. After 1 year, follow up brain CT showed nearly absorption of EDH. However, thickening of calcification was remained. The patient was in a state of well-being and did not complain of headache.