The worldwide epidemic of childhood obesity is progressing at an alarming rate. Obesity in childhood at high risk of becoming obese in adulthood and potentially experience metabolic disease and degenerative disease in the future. Obesity is not just an individual problem. It is a population problem and should be tackled as such. Various factors causing obesity in children include children's diet, level of physical activity, family factors, child psychological and genetic factors. This paper attempts to explore the problem more closely by conducting a qualitative study, the main objective of which is to determine barriers to a healthy lifestyle and variables that underlie overweight/obesity in children from their parents perspective. This research is a qualitative research with the phenomenological method. A total of 3 focus group discussions and 7 in-depth interviews were conducted, between July and October 2016, to explore parent's, teacher's, and nutritionist perceptions about underlying factors of their overweight/obesity and barriers to a healthy behavior. The results of this study show: 1) Perception of informants about healthy children is the ideal weight according to age, able to move normally, able to interact socially, and good communication. 2) Perceptions of obesity susceptibility are the wrong diet such as overeating, joy in one type of food and dislike of other foodstuffs, less physical activity and sedentary behavior 3). Healthy obstacles in obese children include excessive eating