Sex education for early childhood is very important to protect children from unwanted things in the future. The purpose of this research is to find out how parent-child communication is in sex education. The stages are in accord-ance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRIS-MA). This study uses the systematic literature review (SLR) method with reference to 10 valid articles published in the last 10 years with years of publication between 2014 and 2023. The results of the literature show that although parents in this study are aware of the importance of providing information about sex education, people's communication parent-child about sex education is rare. This is because the taboo culture is stil...