In this report, a)disaster prevention class, b)earthquake response drill using the earthquake early warning system, c)tsunami evacuation drill, d)an integrated approach of a)through c), d)collaborative connection between a small kindergarten and an elementary school, and e)disaster prevention activities that are aware of the “collaborative connection between small kindergarten and elementary school” adjacent to each other at Elementary School and Kindergarten in Wakayama City in 2020 and 2021. In addition, future issues was extracted from the results of a post-practice questionnaire to the children, teachers and parents.