Abstract: Objective: To explore family role functioning and psychological experiences of young breast cancer patients when facing the disease. Methods: In this qualitative research, in-depth interviews were conducted with 15 young women with breast cancer. Data were analyzed by using content analysis method. Results: The family role functioning was impaired during hospitalization. Meanwhile, the patients felt low self-worth and guilty, worried about their children and marriage. Role stress and role motivation rose when the patients came home. Family role functioning recovered during the convalescence. Patients felt happy and satisfied. Patients' psychological experience changes with family role functioning. Conclusion: The psychological experience was influenced by patients' family role functioning. Nurses should understand the psychological experience of young breast cancer patients and provide appropriate support to help young patients back to normal life as soon as possible.