Before diagnosis his disorder, I think the background knowledge and social factors introduction for that period is necessary. The World War Two was end by 1945 and this story happened in 1954. During that time, biological perspective and psychopharmacology perspective for abnormal psychology’s treatment had a debate/war. Former emphasized use surgical intervention: psychosurgery, like Tran’s orbital lobotomy or chlorpromazine drug, to solve the problem thorough and quick. But the latter believe that spend time and money to make people “unless happy and peace” is worthy. Andrew is a serious DID patient who suffered the war and fratricidal, also with propensity to violence and paranoia. This movie describes the last psychopharmacological treatment, role play treatment, which cued him finally. According to the DSM-IV-TR 5-axis to diagnosis his symptom: l Axis I: Schizophrenia and PTSD. DID, single episode. This is obvious in the whole movie.