The paper aims to make autistic children get better education and training in educational institutions and families. With intelligent interactive advantages, to put forward the design thought that autistic treatment combined with social assist robot, improve the interactive interest and the effect of treatment of training with children, and improve the applicability and practicability of intervention treatment for autistic children. Though analysis of autistic children's physical, cognitive, behavioral characteristics, the commonly used intervening treatment method and the auxiliary products are summarized, auxiliary professional intervention based the buggy as carrier is put forward, and the comprehensive case design about the function of assistant therapy for buggies, interaction form, game concept and a complete set of APP is implementd. The training elements, functional modules and therapeutic functions of interactive intervention design are summarized. With the buggy as carrier, three different training modes of intervention games, namely, the interaction mode of the on-board elf, the main functional modules of the auxiliary APP and cognitive training, social stimulation and music therapy, are determined.