Director of the National Institute of Child and Family Development at Mahidol University, Associate Professor Adisak Plitponkarnpim, M.D., delivered the keynote address at the opening ceremony of the 9th Academic Conference of the Year 2022 on the topic "Child Care Center, Kindergarten School: Safety Management according to National Standards and Guidelines for Prevention and Response to Active Shooter Incidents in Early Childhood Development Center" on November 13, 2022. We organized this conference to inform teachers, parents, and people who work with children about Early Childhood Preparation, Child-Centered Kindergarten in various fields, and safety. And the significance of caregivers in caring for children from infancy to adulthood.