As a kind of interpersonal communication behavior without language content, non-verbal behavior plays an important role in psychological counseling. Based on the review of previous studies, this paper summarizes the role and value of non-verbal information of counselors and visitors in the process of counseling, and expounds the limitations of the application of non-verbal behavior and the corresponding possible mitigation methods, so as to provide certain reference direction for the application of non-verbal technology in psychological counseling and promote the formation of a good relationship between counselors and visitors. Better play its role and value.