: Obesity is generally defined as an illness experienced by a person when the calories he ate far more than the calories burned Obesity can also be accompanied by a state of insulin resistance, which in turn will lead to the occurrence of diabetes mellitus This study aims to analyze the history of the parents as a risk factor obesity in elementary school children in the city of Manado with analytical survey method using a cross sectional design (cross-sectional) 136 samples using the chi-square test (x2), at the 95% significance level (α 0.05). Results showed that there is a relationship between parental history obese with obesity in elementary school children in the city of Manado conclusion obesity prevalence in primary school children in the city of Manado in 2013 were 44 males (32.4%) and 24 women (17.6%) prevalence obesity in the elderly respondents in 2013 was the father of 27 people (19.9%) and 31 women (22.8%) History of the parents is a risk factor for obesity in primary school children in the city of Manado advice provides information about obesity and more planning Scaling back about obesita monitoring the nutritional status of school children, especially elementary students to monitor the growth and development of nutritional status