Purpose Colorectal cancer (CRC) survivors face significant challenges after completing treatment, including returning to work, concerns about the future, and financial difficulties. Understanding how inner strength developed after treatment affects survivors’ lives is crucial for informing patient-centered care. This study explored the unique inner strength exhibited by CRC survivors during their transition to a “new normal.” Methods: We recruited 16 patients from Korea who had completed treatment, to explore their experiences of managing their health. We conducted a qualitative study from July 4, 2022 to July 25, 2022 using individual interviews and directed content analysis. Transcribed interview data were analyzed to interpret meaning from the data, consistent with the naturalistic paradigm. Results: Participants described their transition to a new normal by reframing the cancer experience, struggling to return to normal life, experiencing growth promoted by supportive relationships, and encountering both positive and negative life changes. Throughout these experiences as survivors, inner strength played a critical role in adapting to a new normal. Conclusion: Our findings suggest that inner strength serves as a dynamic psychological resource, enabling CRC survivors to reframe their illness, regain disrupted roles, and reconstruct a meaningful life despite ongoing physical and emotional challenges. In doing so, inner strength facilitates their adaptation to a new normal.