According　to　scientific　research,　3–6 years　old　is　a　critical　period　for　children’s　sensory　integration　training,　and　proper　training　can　be　used　to　improve　sensory　integration　ability.　This　study　takes　children　aged　3–6　as　the　research　object,　with　the　purpose　of　improving　children’s　sensory　integration　ability,　based　on　the　cognitive　development　structure　of　the　child　stage　and　the　basic　laws　of　physical　and　mental　development,　through　market　research　and　user　research,　combined　with　interviews,　questionnaires,　and　observation　method　and　other　methods,　using　children’s　sensory　integration　training　products　as　the　carrier,　combined　with　Diversified　intelligent　interaction　methods　that　conform　to　children’s　psychological　cognition,　give　full　play　to　the　role　of　Dalcroze　method　in　children’s　sensory　integration　training,　and　help　children　to　be　active　and　happy.　In　the　process　of　using　this　kind　of　products,　the　ability　of　sensory　integration　is　unconsciously　improved,　so　that　children’s　physical　and　mental　development　can　be　healthy,　and　the　comprehensive　quality　of　children　can　be　comprehensively　improved.　The　principle　of　the　research　angle　and　the　design　method　can　provide　references　for　other　designs.　©　2022,　The　Author(s),　under　exclusive　license　to　Springer　Nature　Switzerland　AG.