Background: Child accidents was a serious health problem in most countries where accident was the greatest cause of death of children. First aid is the immediate care given to the child who had been injured and performed immediately. The aim of the current study was to identify the impact of an educational training program for mothers of preschool age children regarding care of some home emergency situation. A quasi experimental design was utilized .The study was conducted at nursery school at Kafr-Sakr city at Sharkia governorate, where there are 49 nursery schools. The subjects of the study composed of 280 mothers who attended four selected nursery schools & their children. Two tools were used; firstly, a structured interview questionnaire to assess mother's knowledge and safety home environment, and the second tool was a child assessment sheet. Education program was developed to educate mothers about home accidents ,prevention and its first aid. The study results indicated that, the studied mother's knowledge and practice had been improved significantly after implementation of the educational program either immediately or two months later. Therefore, it could be concluded that, the educational program had improved the studied mother's knowledge and practices about care of some home emergency situation. The study recommended the provision of educational programs for parents about accident prevention and first aid at nursery school.