The resistance phenomenon often occurs in the use of traditional technology in consultation, which mainly stems from the fact that small visitors in childhood are in the period of psychological development, and their active participation under non subjective will is poor. To explore the effect and scheme of building block dynamic repair technology in the treatment of children’s social phobia, in order to provide reference, ideas and methods for the treatment of this disease. Select the 8-year-old visitors who were consulted by Li Hongdong psychological consulting company in 2022, and observe the anxiety and autonomic nerve symptoms, the duration and frequency of avoidance behavior, the change of situation and the recovery of social function before and after consultation through the whole process of consultation and treatment with building block dynamic repair technology. Results: during the whole consultation process of building block dynamic repair technology, the participation of the visitors was good, there was no resistance and repeated effect, the social function was fully restored, and the treatment cycle was short. Conclusion: the effect of building block dynamic repair technology in the treatment of social phobia in children is good, with high involvement and acceptance, safe and fast.