Abstract: Stunting is a nutritional problem that has not been handled until now. The prevalence of Stunting at the Mata health center in 2020 is 1.60%. The Mata Health Center ranks first in terms of low exclusive breastfeeding, which is 43.32%. The purpose of this study was to determine the effect of exclusive breastfeeding and complementary feeding on the incidence of Stunting in Children under five years (6-59 months) in the working area of the Mata Health Center of Kendari City.