Revealed 2016 as many as 120 sexual violence, and in 2017 as many as 116 cases of sexual violence. The purpose of this study was to enrich the understanding of children aged 4-5 years about the importance of sex education and looking after themselves starting from school. The method used in this research is descriptive qualitative, with the subject of the research of kindergarten teacher Joy Kids Elohim, while the object of this research is the sex education curriculum with its own theme. The location of the study was conducted in a small kindergarten class Joy kids Elohim Bekasi -West Java. Through this research, the results show that students are getting to know their identities in accordance with the learning program designed, students are able to mention the different tasks and responsibilities of each family member. In the theme of selfstudents are able to complete the activities of sticking and coloring pictures of men and women, and are able to clean themselves after finishing from the toilet. Teachers are required to design activities programs tailored to the needs and stages of early childhood development of 4-5 years.