Epidemiology of Childhood Obesity and Their Lifestyle in Preschool Children from Medan Deli

: Obesity in children is a serious problem because it can interfere with children's growth and continue into adulthood. This study aims to determine the epidemiology of obesity and how the lifestyle in early childhood in Medan Deli. This research is a descriptive quantitative study using a cross-sectional design with a rapid survey approach. The population in this study were all early childhood children in Medan Deli, with a sample of 210 people. The sampling method was the WHO proportional random sampling, which was 30 clusters x 7 samples. The results found 13.8% obese early childhood and 13.3% overweight children. The most obese early childhood children were girls, aged 56-60 months, with a history of obese parents. In the lifestyle of obese early childhood, they rarely do physical activity, often consume milk, fruit, vegetables, soft drinks, and junk food and live with smokers and often inhale cigarette smoke. The incidence of obesity in early childhood in the study area is high with a very vulnerable lifestyle to their health in the future, such as rarely doing physical activity, often consuming milk, soft drinks and junk food, and being exposed to cigarette smoke.