Objective To investigate the level and factors associated with shared decision-making competency of nursing staff, and to provide reference for nursing education.Methods A total of 2 363 nursing staff from 7 general hospitals were invited to complete a demographic questionnaire, the Self-rating Scale for Competency of Shared Decision-making in Nursing Staff, the Perceived Orga-nizational Support Scale, and the Jefferson Scale of Empathy.Results The sample scored （3.79±0.72） for shared decision-making competency,（5.64±0.70） for perceived organizational support and （3.73±0.79） for empathy.Multiple linear regression showed that years of working, whether they had received shared decision-making education, empathy and organizational support were the factors influencing competency of shared decision-making （all P＜0.05）.Conclusion Competency of shared decision-making in nursing staff is at medium level.Nursing managers should formulate training plans according to relevant influencing factors, so as to promote the shared decision-making competency of nursing staff.