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一般来说，医生选择针对临终患者的医疗决策，尤其是在做出无效医疗的决定时，会考虑到人类死亡的必然性、医学局限性、健康资源匮乏以及多元的社会文化因素。无效医疗来源于医学干预的不恰当应用，即这种干预不会对患者产生明显的效果。无效医疗是一个很古老的概念，在医学领域中关于它的使用已有很长的历史。在日常的临床实践中，医生在做出无效治疗的决定时承担了很大的压力，并且在一些案例中，医疗机构和患者家属之间对于无效治疗的决定也存在很多分歧。从整体的角度阐述无效医疗这一问题以及不同国家的医疗机构如何处理无效医疗。通过回顾不同的政策选择，提议制定无效政策来帮助医生、患者及其家属以决定是否采用无效治疗，减少分歧。“,”Decisions regarding end‐of‐life care in general and medical futility in particular are shaped by the inevitability of human death , limitations of medical sciences , scarcity of health resources ,and various socio‐cultural issues . Medical futility refers to inappropriate application of medical intervention that is unlikely to produce any significant benefit for the patient .Medical futility is an old concept with a long history in the medical profession .In everyday clinical practice , physicians are under pressure to make decision about futile treatment and in some cases there are disagreement between healthcare providers and patients’ family about futile treatments .This paper presents a global review of the issue and the manners in different countries deal with medical futility in their healthcare systems .By reviewing different policy options , the article suggests that developing futility policies help physicians , patients and their families to decide about futile treatments and decrease disagreements caused by futile treatment .