Background: Post-Partum Women were difficult to maintain the increase of body weight in the first 6 months after giving birth. When that situation was not payed, the increase of body weight can be lead to obese level and also increase the risk factor of some diseases. Overweight can be treated by maintain the dietary habit to support balanced nutrition by giving nutrition education to maintain body weight. Pedoman Umum Gizi Seimbang provide dietary habit and healthy behavior to all community in order to maintain normal body weight. Methods: The study design was a Quasi-Experiment pretest and posttest with control group design. The total subjectswere 30 post partum women that giving birth in Puskesmas Kasihan 2 Bantul that consist of 15 post partum women in each (control and intervention group). Intervention was given once time in the first time when measuring body weight and this research was taken in 1 months. The Leaflet that named Gizi Seimbang Post Partum refer to Pedoman Umum Gizi Seimbang from Department of Health 2014. The data was analyzed by Paired Sample t test and Mann-Whitney test. Results: the result of Paired Sample T test obtained significance value 0,013 (p<0,05) for intervention group and 0,458 (p>0,05) for control group. The results of 2 samples Mann-Whitney test calculation of mean rank values for intervention group is 22,23and 8,7 for control group with p value 0,000 (p<0,05). Conclusion: there were enough evidence that show the effect of nutrition education based on Pedoman Umum Gizi Seimbang to maintain body weight on post partum women.