Objective To understand the real experience of post-traumatic growth of family members in patients with abdominal wall stoma after radical cystectomy. Methods The descriptive phenomenological method in qualitative research was used to conduct in-depth semi-structured interviews with family members of 11 patients from the Department of Urology of a tertiary A hospital in Hangzhou. Nvivo11 software was used to conduct data analysis in classification,coding,topic distillation. Data was analyzed by Colaizzi’s seven-step analysis methods. Results 4 themes are extracted. First,the enhancement of personal strength：the enhancement of self-efficacy,the enhancement of acceptance,the enhancement of sense of responsibility. Second,changes in relationships with others：more harmonious family relationships,“altruistic for self” behavior,feel help from others. Third,new possibilities：realizing new values,looking forward to future life. Fourth,changes in life philosophy：changing the priorities of life,appreciation of life. Conclusion Family members in patients with abdominal wall stoma after radical cystectomy can experience post-traumatic growth in the process of care and present positive self-change. The clinical nurses should pay attention to the positive experience of family members,fully explore the potential and strength of the family members,and improve the quality of their care. Post-trauma growth theory should be combined with psychological nursing to promote the formation of growth paradigm.