Sexual violence against children is a public health problem that is increasing globally around the world. Indonesia.West Sumatra, especially in the city of Padang, the number of cases of sexual violence against children always increases from year to year.The culprit is 90% of the closest people who are well known to the child. Therefore, it requires an effective and efficient prevention model, which can be used by children, mothers and teachers to detect the risks and prevention of sexual violence against children. The purpose of this study is to form a "Model for Early Detection of Risks and Prevention of Sexual Violence Against Children inPadang City. The research method used in this study is a combination of qualitative and quantitative referring to the R&D Model with the ADDIE model.The sample numbered 60 people, consisting of primary school age children, mothers and teachers. The data were analyzed using the GLM Repeated Measure. The study took place from March 2022- November 2022. Conclusion: a Model has been formed: "GIA (teacher, mother and child)" Early Detection of Risks and Prevention of Sexual Violence Against Children. It is recommended in the next study that this existing model be applied to the form of a Website so that it can be used by teachers, mothers and children throughout the city of Padang and throughout Indonesia in general in the context of efforts to prevent sexual violence against children of primary school age.