This study systematically combs the application of common theoretical models and research tools in the study of family communication between cancer patients and adult children, summarizes the current situation of the level, content and mode division of family communication between cancer patients and their adult children, analyzes the application effects and limitations of the interventions such as family system interventions, communication skills training and psychosocial support, and aims to provide a re-ference for the related research on family communication between cancer patients and their adult children.