The aim of this research is to analyze opinions of teachers who work in preschool education institutions concerning precautions that should be taken for indoor and outdoor security. Study group of this research is determined by criterion sampling from purposeful sampling techniques. The study group of this research is consist of eight preschool teachers who work in four private and four public schools in Kocaeli Izmit district in the fall semester of 2013-2014 Academic Year. For the purpose of the research, data are collected with semi-structured interview technique. During the research, the interviews are recorded with tape recorder and the interviews are put down on paper then analyzed. After the recorded data are submitted to approval of participants, the analysis of the data has started. Date are analyzed with descriptive analysis method and coded then interpreted. In order to ensure validity of the research, the data are tried to be analyzed with direct quotes of the participants. Research findings show that the most important risk factors are caused by defective design of schools. Research results also show that schools have not only indoor security problems such as stairs and door but also external security problems such as garden and playgrounds.