Objective: To explore the experience of self growth among caregivers of adolescents with non suicidal self injury (NSSI), so as to provide practical reference for improving the family support system of adolescents with NSSI. Methods: From August to November 2023, a purposive sampling method was used to select 21 caregivers of adolescents with NSSI who were treated in a tertiary grade A psychiatric hospital in Xinxiang City, Henan Province for semi structured in depth interviews. The Colaizzi s seven step qualitative analysis method was applied to analyze the data and extract themes related to caregiver growth Results: A total of 5 themes and 12 sub themes of benefit finding were extracted from caregivers of adolescents with NSSI: personal growth (increased psychological resilience, enhanced awareness of independent learning, improved self reflection ability, better understanding and acceptance of NSSI behaviors in adolescents), improvement of family relationships (improved parent-child relationship, improved relationships among family members), perceived social support (more peer support, support from close friends), improvement of caregiving ability (creating a favorable rehabilitation environment, improved caregiving skills), and changes in life and education attitudes (adopting a healthier lifestyle, reasonably adjusting expectations for children). Conclusions During the process of caring for adolescents with NSSI, caregivers from positive experiences in multiple aspects such as personal growth, family relationships, social support, and life education attitudes. Improving the mental health level of caregivers and optimize the family rehabilitation environment, will help reduce the occurrence of NSSI behaviors among adolescents.