Marriage at young age and lack of knowledge in parenting are among the causes of nutrition problem. The students in Santa Elisabeth Medan School of Health Sciences were found less knowledgable about it. This study aimed to analyze the influence of Scaling Up Nutrition (SUN) education towards knowledge and attitude of students at Santa Elisabeth Medan School of Health Sciences 2016. This study was quasi experimental with one group pre-test and post-test design. The population was students of the Santa Elisabeth Medan School of Health Sciences. Sampling was done by purposive sampling method, which consisted of 115 students at third level of Diploma III in Midwifery. Education class was conducted four times within two weeks by using lecture and discussion methods. This study used visual media (slides) and module. The influence of education towards students' knowledge and attitude was analyzed by paired sample t-test (p value=0.05). The results showed that only 1.7% students had high knowledge and 45.2% students had unfavorable attitudes. After nutrition education, there were 85.2% students who had high knowledge and 100% students had favorable attitudes. In conclusion, there are significant differences between students' knowledge and attitude after SUN education given.