Li Bu bracelet is a terminal program for data distribution and return specially customized for children's somatosensory wearable devices, which is operated by teachers. Its main function is to number the names of 14 devices before the start of the course and return the data in the devices after the course. According to the appearance designed by Libu English IP image "Superman Rabbit", it accompanies children to study together like a small partner. The teaching somatosensory voice interaction system allows children to achieve the entertaining and entertaining learning of young English in class, as well as the data-based feedback results. The content of each interactive learning matches the learner's acceptance ability and realizes high-frequency interaction. Let the students learn happily, have fun and learn knowledge confidently.