Pressure sore(decubitus ulcer) is the an ulceration and necrosis of the skin and underlying tissue usually occuring on a bony prominence of the body after prolonged or repeated pressure. This study was designed to evaluate the effects of an oriental medicine(Sipjeondaebo-tang) on pressure sores complicated by cerebrovascular diseases. Methods: As For treatment, we used Sipjeondaebo-tang. Results: Both patients were treated with Sipjeondaebo-tang. After treatment, the pressure sores of two patients were improved. Conclusions: This study suggests that Sipjeondaebo-tang is effective in treatment of pressure sores(decubitus ulcer) complicated by cerebrovascular diseases.