Objective : The purpose of this study was to identify the experiences of novice occupational therapists working at a child private clinic center in the clinical experience process of sensory integration therapy and to understand the adaptation process in child private clinic center. Methods : The participants were four occupational therapists with less than 1 year of clinical experience. Data collection was conducted through in-depth interviews, and the recorded interview responses were transcribed and analyzed. The analysis of the data was made by phenomenological analytic method suggested by Giorgi. Results : As a result of analyzing the adaptation process of novice occupational therapists working at the child private clinic center, 3 categories, 6 themes, and 16 main meanings were derived. Novice occupational therapists experienced difficulties arising from clinical, obstacles from the working environment, positive factors inside the center, support from outside the center, self-effort, and changes through adaptation experience. Conclusion : Along with changes to the social system and pediatric rehabilitation institution, one’s own effort are also required so that novice child occupational therapists working at child private clinic centers can adapt and perform at their roles.