生活方式调整是肥胖治疗的第一步。 [ 
]What are the benefits and harms of diet, physical activity, and behavioral interventions for overweight and obese adolescents aged 12 to 17 years?https://cochranelibrary.com/cca/doi/10.1002/cca.1859/full显示答案 应建议患者限制含糖饮料、高能量食物和快餐，以及减少食量。[11]Speiser PW, Rudolf MC, Anhalt H, et al. Childhood obesity. J Clin Endocrinol Metab. 2005 Mar;90(3):1871-87.http://press.endocrine.org/doi/full/10.1210/jc.2004-1389http://www.ncbi.nlm.nih.gov/pubmed/15598688?tool=bestpractice.com[60]James J, Thomas P, Cavan D, et al. Preventing childhood obesity by reducing consumption of carbonated drinks: cluster randomised controlled trial. BMJ. 2004 May 22;328(7450):1237.http://www.bmj.com/content/328/7450/1237.fullhttp://www.ncbi.nlm.nih.gov/pubmed/15107313?tool=bestpractice.com[61]Chen L, Appel LJ, Loria C, et al. Reduction in consumption of sugar-sweetened beverages is associated with weight loss: the PREMIER trial. Am J Clin Nutr. 2009 May;89(5):1299-306.http://www.ncbi.nlm.nih.gov/pubmed/19339405?tool=bestpractice.com 在家中应杜绝含糖饮料和高能量食物。此外，应鼓励患者每天都增加体育活动，同时每天自由支配的面对显示屏时间（例如看电视、视频游戏和使用电脑）应限制在 2 小时以内。家人参与对成功的体重维持或体重减轻至关重要。由于儿童身高仍在增长，应强调体重维持，而非体重减轻（除非有明显肥胖）。
Centers for Disease Control and Prevention: ideas to help children maintain a healthy weight
