The study conducted a survey for 180 children under 2 years old, the results showed that 13.89% of children were undernutrition; in which, underweight, stunted, and emaciated children have the rates respectively of 3.89%, 11.11% and 3.33%. Surveying knowledge and practice on undernutrition prevention of 180 mothers with children under 2 years old, the results obtained were 35.56% of mothers with the correct knowledge and correct practice is 42.22%.