Obesity is a new problem experienced by the world population, especially developing countries. Obese sufferers increase the risk of degenerative diseases, mental health and death. The aim is to analyze the cultural relationship between eating and the incidence of obesity in adolescents. This study was cross sectional survey by using purposive sampling to select samples. A total 79 adolescents were selected and investigated during this study. The result of this study shows a relationship between fast food consumption and the incidence of obesity (p<0.001). There is a significant relationship between food frequency and obesity (p<0.001). There is no correlation between food preference and obesity (p=0.833). Eat culture has a correlation with the incidence of obesity in terms of food consumption, meal frequency but not food preference. Food culture is closely related to local customs. Especially in fast food consumption and daily food preferences. It is suggested to adolescents to concern on their food consumption by knowing the principle of balanced consumption, and more intelligent in choosing the food that will be consumed.