Stunting is a condition of growth failure that occurs in children due to chronic malnutrition, malnutrition in children can occur starting from the womb to children aged 2 years. After the child is 2 years old, the incidence of stunting can only be seen. Building food security is one of the important steps in efforts to prevent stunting in Tananagaya Village with methods that include several stages, planning, organizing, actuating, and controlling. Based on the results of the programs that have been carried out, food security is an important element in preventing stunting. Therefore, it is necessary to improve food security to prevent stunting and improve the welfare of the people of Tananagaya village.