Borderline personality disorder (BPD) is a serious Bpersonality disorder characterized by a pervasive patt of disturbances in mood regulation, impulse control, self-image and interpersonal relationships.1 In the United States, the prevalence of BPD has been estimated at 1%-2% of the general population, 10% of psychiatric outpatients, and 20% of inpatients.2,3 According to the 4th text revision of diagnostic and statistical manual of mental disorders (DSM-Ⅳ-TR),1 about 75% of BPD patients are women. The BPD diagnosis has been associated with heightened risk (8.5% to 10.0% among BPD patients) for completed suicide, a rate almost 50times higher than in the general population.4