Objective To comprehensively analyze correlation between professional identity and professional interest of undergraduate nursing students under the background of the epidemic,so as to explore methods to improve professional iden-tity of undergraduate nursing students.Methods From April to June 2022,370 undergraduate nursing students from 5 na-tional comprehensive three A-level hospitals in Luzhou city were randomly selected as study subjects,and survey analysis was conducted using self-developed general data questionnaire,nursing professional identity scale,and occupational interest questionnaire.Results The total professional identity score of undergraduate nursing students([110.40±5.14]points)was in the middle state,and the three types of professional interest included realistic type([10.46±0.51]points),social type([10.28±0.77]points)and traditional type([10.41±0.52]points)were positively correlated with professional iden-tity.Conclusion Under the background of the epidemic,the level of professional identity of undergraduate nursing students is low.In the course of nursing teaching,diversified professional teaching strategies should be adopted,with a focus on culti-vating the vocational interests of undergraduate nursing students and continuously enhancing vocational recognition education,which is conducive to the proactive and positive transformation of nursing students towards vocational recognition.