患者，男性，31岁，工人。于1985年因失眠、乱语、疑人害已、行为紊乱起病。先后7次住我院治疗，均诊断为：精神分裂症，均予氯氮平（日剂量50至500mg）治疗。至1年前始发现每次服药时，患者都问：“有氯氮平吗？”并仔细核认。如确认有氯氮平，患者则喜形于色，有时因其剂型改 Patient, male, 31 years old, worker. In 1985 due to insomnia, disorder, suspects harm, disorder of behavior onset. Has 7 times in our hospital treatment, were diagnosed as: schizophrenia, were clozapine (daily dose of 50 to 500mg) treatment. Until one year ago, it was discovered that every time I took the medication, patients asked: “Clozapine?” And carefully checked. If confirmed clozapine, the patient is happy, sometimes because of its dosage form change