本文主要分析麦克白恶魔性心理体现出的伦理意蕴,着重分析麦克白内心世界来揭示其作恶动机,而以内心宁静绝缘、身心分裂失却和谐的过程来探讨莎士比亚塑造该人物时的伦理隐喻。恶魔性爆发后的麦克白把自我同社会隔绝,紧紧拥抱权力来抵御孤独和恐惧,并以自我为中心来判断事情,不断地为私利作恶,而不惜残害人的生命,进而颠覆和反叛国王,彻底将自我疏离与正常生活之外,从而彰显出作者在文艺复兴时期个性张扬时代对社会伦理的呼唤之态。 This paper mainly analyzes the ethical implications of Macbeth’s demonic psychology, analyzes the inner world of Macbeth to reveal its motivation, and discusses the ethical metaphor of Shakespeare’s shaping of the character by the process of inner tranquility, isolation and disharmony. After the demoniacal explosion, Macbeth isolated himself from society, clinging to power to resist loneliness and fear, judging things with self-centeredness, constantly doing evil for his own sake, and at the same time destroying and rebelling the king , Completely self-alienation and normal life, thus highlighting the author in the Renaissance personality publicity era of social ethics call of the state.