Objective Through the investigation and analysis of the work status and career dilemma of supernumerary staff in the Grade-A tertiary public hospitals in Beijing,the causes of career dilemmas of supernumerary staff are analyzed,and relevant countermeasures to crack the dilemmas are put forward.Methods Questionnaire survey and expert consultation were used to carry out quantitative and qualitative study.Results Supernumerary staff in the public hospitals are faced with career dilemmas such as unequal remuneration,heavy work pressure,narrow promotion space,and weak sense of belonging.Conclusion The government should formulate staffing standards for public hospitals as soon as possible,and increase financial support.The hospital should downplay the identity differences and create a favorable environment for career development.