The spread of sexual crimes will lead to unfortunate consequences such as the loss of the sense of security, the weakening of the family foundation, the wounding of public sentiments, the spread of lawlessness in society, and other non-sexual crimes. For this reason, dealing with this type of crime is very important. The ineffectiveness of purely criminal methods has made it necessary to examine non-criminal methods. Based on this, the aim of the article is to investigate the effective methods of preventing sexual crimes. This article is descriptive and analytical and has investigated the mentioned subject by using the library method. The findings of the article indicate that reducing the opportunities for deviance, reducing the targets of sexual crimes, official supervision and the use of artificial intelligence in the government by supervisory institutions such as the police and informal supervision such as families, media, education and environmental prevention are important There are effective methods of preventing sexual crimes. Situational prevention can help the government and the police force to reduce sexual crimes significantly, in addition to creating security for victims and targets of crime. Non-criminal preventive measures that are done in order to make the conditions of the crime difficult and make the target less attractive to those who intend to commit a crime. Consolidation of the family foundation, monitoring and care of parents on children's socializing and their use of mass communication tools, informing and educating the media are among the most important ways to prevent sexual crimes.