Abstract
The prevalence of childhood obesity in Indonesia increase from year to year. This circumstance is believed to be associated with the high consumption of fatty foods and lack of knowledge of a balanced diet. Conducting the nutrition education of balance diet (nutrition counseling) is one of the ways to improve knowledge and attitude towards nutrition and to reduce nutritional problems. The study aims to analyze the effect of nutrition education by utilizing the poster and nutrition card on elementary students at SDN Ploso I-172 Surabaya. This study was Quasi-experimental research with pre-post test design involving 29 samples of elementary students at SDN Ploso I-172 Surabaya. The samples were chosen through a simple random sampling technique. The data were collected by interview using the questionnaire. The statistical test utilized the Paired Sample T-Test. The nutrition education with posters media increased the students’ knowledge (p=0.005) and attitude (p