Objective To establish a training program for junior nurses in cardiovascular medicine department in their clinical first aid ability. Methods Based on the competency iceberg model，a preliminary draft of the clinical emergency training program for young cardiovascular nurses was developed using literature review，questionnaire survey，and semi-structured interview methods. Two rounds of expert consultations were conducted with 28 cardiovascular nursing experts using the Delphi method to construct the clinical emergency training program for junior cardiovascular nurses. Results The positive coefficients of the two rounds of inquiry experts were both 100%，the authority coefficient of the experts was 0.847，and the Kendall coordination coefficients were 0.274 and 0.395. The clinical emergency training program for young nurses in the cardiovascular department consisted of six parts：training content（professional theoretical knowledge，operational skills，emergency rescue ability，communication and coordination ability，and professional characteristics），training methods，training hours arrangement，training teachers，and assessment methods. Conclusion The training program for clinical first aid abilities of young nurses in the cardiovascular department constructed is scientific and reliable，which can provide references and practical ideas for the standardized training of clinical first aid abilities for young nurses in the cardiovascular department of various hospitals.