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.