Objective To explore the elements of interdisciplinary integration ability in nursing postgraduates, and to provide new insights and approaches for advancing suitable nursing education and promoting the development of high-quality nursing disciplines. Methods From February to April 2024, purposeful sampling method was used to select and conduct semi-structured interview among 15 nursing postgraduates from 5 universities in Shaanxi Province, and themes were summarized and extracted by using content analysis method. Results The interdisciplinary integration ability of nursing postgraduates can be summarized into 3 themes and 7 sub-themes:self-development ability (innovative motivation, innovative thinking, emotion and will), multi-disciplinary knowledge integration ability (knowledge learning and knowledge fusion), and innovative practical ability (information literacy, research practice). Conclusion Nursing postgraduates should obtain various interdisciplinary integration abilities, and educational institutions should pay attention to the cultivation of these abilities in the process of talent development, so as to accelerate the construction of multi-talented workforce and promote the stable development of the nursing discipline.