Eating food for a children is not only a matter of eating it, it is also an activity essential for physical, emotional, and mental development. The problems that may arise in these activities include structural problems, behavioral problems, psychological problems, and developmental problems. In general, occupational therapists use clinical evaluation to assess these feeding problems. The main content of the evaluation used in clinical trials is different from each researcher, but mainly consists of domains of individual feeding habits, so that various aspects of clinical evaluation that play an important role in establishing a therapeutic intervention strategy for children with feeding disorders is not enough. Therefore, the purpose of this study was to systematically classify the areas of information that may include various causes of feeding disorders and to identify each factor. As a result, comprehensive clinical evaluation domains useful for assessing children s feeding disorders were classified into five categories: basic information domain, food participation and environmental domain, developmental domain, feeding function and technology domain, and behavioral domain. Respectively. This comprehensive clinical evaluation could be used as a clinical basis to enhance understanding of children with feeding disorders and to establish appropriate therapeutic intervention strategies.