In 2013 the percentage of overweight and obesity in Indonesia school children 5–12 year was 18.3%, 13–15 year is 10.8% and 16–18 year is 7.3%. Children who are obesed can lead to several chronic diseases including glucose metabolism disorder, insulin resistance, type 2 diabetes in adolescents, hypertension, dyslipidemia, hepatic steatosis, gastrointestinal disorders, and obstructed breathing during sleep. The aim of this analysis was to examine the results of studies with similar output that was the prevalence of obesity before and after the intervention. Articles were searched from Medline, Gale, Proquest, Google, Ebsco, Science Direct, Cochrane, and PubMed published in 2010–15. Total articles found were 111 relevant articles. Once corrected duplicate articles, systematic reviews/metaanalyzes, and the similarity of output, only seven articles were eligible to be included in the metaanalysis. The results showed that intervention of physical activity and healthy eating habits could significantly prevent the occurrence of obesity by 0.827 times (p = 0.000) more than children who did not. In addition to their physical education,modifying the physical and social environment, providing infrastructures for physical activity including sports facilities and infrastructure are needed as efforts to increase physical activity. In order to change the behavior of healthy eating, promotion of consuming less of high in energy, fat and sugar include reducing carbonated and alcoholic beverages food and beverages, and more intake of fruits and vegetables are required to be more effective.