Overweight and obesity in children is a complex problem that is caused by a multifactorial genetic and environmental interactions. Urban lifestyle fueled by excessive food intake in overweight and obese children. Strategies to reduce excessive food intake in children is the child healthcare approach and the transtheoretical model so that the model can control the child’s lifestyle. This study aimed to prove the effect of child healthcare approach and the transtheoretical model of the food intake of overweight and obese children. This research was conducted in the district area Tamalanrea and Biringkanaya, Makassar from August 2013 to March 2014. The design used is quasy experiment pretest and posttest with control group design. Purposively selected sample of 31 children as overweight or obese in the treatment group and 33 controls on primary school children grade 4 - 6. Intervention research was conducted during a six month period by providing guide books on healthy lifestyle. The instrument used food recall questionnaire. Paired t-test results produced carbohydrate intake in the pre-post intervention treatment groups with p value 0.004 (<0.05), whereas the control group with p value of 0.114. This study concludes that there is influence of CHM and TTM approaches to the intake of carbohydrates of overweight and obese children.