According to UNICEF, stunting is defined as the percentage of children aged 0-59 months with a height below minus (moderate and severe stunting) and minus three (chronic stunting) measured by WHO child growth standards. Stunting in toddlers manifests chronic nutritional deficiencies both during pregnancy and during the birth process. This research aims to analyze the determinants of stunting in children under five regarding parenting patterns, access to health services, nutritious food, and clean water and sanitation in the Bukal District Health Center Area, Buol Regency. The research was conducted in the Bukal Community Health Center Working Area, Buol Regency. The sample in this study was the entire population of 322 mothers of toddlers in the Bukal District Health Center Area, Buo Regency. This research was an analytical survey research with a cross-sectional design. Based on the findings, it can be concluded that: There is a relationship between parenting pattern factors and the incidence of stunting in children under five in the Puskesmas area, Bukal District, Buol Regency with a p-value = 0.000, ,There is a relationship between the factor of access to health services and the incidence of stunting. In children under five in the Puskesmas area, Bukal District, Buol Regency with a p-value = 0.000, , There is a relationship between the factor of access to nutritious food and the incidence of stunting in children under five in the Puskesmas area, Bukal District, Buol Regency with a p-value = 0.000, There is a relationship between access to clean water and sanitation and the incidence of stunting with a p-value = 0.000. This study concludes that health services are the most related factor, with a significant value of 0.004 and a Wald value of 8.310, meaning that access to health services has a risk of 8,310 times the risk of stunting.