The author review object-relational theories of personality disorders as well as current standard psychotherapies borderline personality disorder, several of them. Although psychoanalytic approach theoretical understanding patients with borderline personality disorder,in practice applicability. With other types of personality disorders, however, psychoanalytic approach offered a variety of personality models that are pertinent and useful yet relatively unutilized in present day psychiatrynotion “basic fault”（M. Balint）, “false self”（D.W. Winnicott）,and “the psychotic part of the personality”（W.R.Bion）. The last has developed into more complicated personality models in one of which the destructive part was idealized and worshiped the dependent part with the potential of growth was captured（H.Rosenfeld）. This model is a forerunner of the idea of“pathological organization”（J.Steiner）. Bion has also a universal therapeutic factor in psychotherapy. The author suggests that psychoanalytic approach based on emotional contact and transference-countertransference relationship has research value and can provide therapeutic models.