In June 2022,Shenzhen issued a local regulation for medical treatment,in which living wills are concerned for the first time in China.Living wills are conducive to relieving the pain of cancer patients,respecting their life autonomy and reducing the waste of medical resources.However,it is still very hard to promote and implement living wills in the population living with cancer,which was increasing year by year.In this article,we mainly elucidated the concept,theoretical basis and development process of living wills at home and abroad.We then analyzed the research status and influencing facto...