Abstract: Traumatic brain injury is tricky to deal wih due to various factors like severe condition, complicated diagnosis and treatment,rapid development of illness,multiple complications at the later stage along with high fatality rate. In this case, the patient had taken dual anti-platelet drugs in long term after operation.It’s of tremendous importance to closely monitor the platelet function of the patient so as to balance between the prevention of bleeding and possible heart diseases.The assay reports one case of applying dynamic platelet function monitoring after operation.

Key words: traumatic brain injury, coronary atherosclerotic cardiopathy, antiplatelet therapy, platelet aggregation assay, operation