Objective To investigate the level of mindful self-care among emergency nurses, and to analyze its classification and inf-luencing factors.Methods A total of 425 emergency nurses were selected by convenience sampling method, then they were investigated by utilizing a general information questionnaire, the Chinese version of the Brief Mindful Self-care Scale, the General Self-efficacy Scale and the Perceived Social Support Scale. Results The total score of mindful self-care among emergency nurses was (77.17±13.91).Totally three profiles were identified:negative mindful self-care (8.9%), medium mindful self-care (44.9%) and positive mindful self-care (46.1%), its influencing factors included health self-evaluation, perceived social support and general self-efficacy (all P＜0.05).Conclusion The mindful self-care among emergency nurses is at a medium level, which could be divided into three potential categories.Nursing managers should pay attention to the emergency nurses with negative mindful self-care, develop targeted intervention strategies based on environment and individuals, and strengthen the mindful self-care practice of emergency nurses, so as to help them cope with the high-pressure working environment better.