國人在生活型態及飲食習慣的改變，造成肥胖問題日益增加，肥胖目前在國內及國外已成爲重要的公共健康問題。肥胖也是各類疾病的危險因數（如心血管疾病、高血壓、糖尿病、關節炎及癌症），且與相當多的疾病與死亡率有關。能量的攝取與消耗的不平衡是導致肥胖的主要原因，因此限制熱量的飲食習慣與運動，成爲體重控制的重點。運動耗能配合飲食控制介入計畫是長期體重控制的有效方法，可改善體重過重者的身體組成、心肺耐力、血液分析值及腹部脂肪量。在不推薦使用藥物介入下，持續以行爲調整計畫推動控制體重的飲食和運動有其必要性。本文希望能提供體重控制者及教育者作爲參考，協助肥胖者以正向態度面對自己身體外表，並建立健康的體重控制行爲，以促進其身心健康與健全發展。

The prevalence of obesity is increasing in recent years. Obesity is an important public issue in our country and the world. Obesity is associated with risk factors of many diseases such as hypertension, diabetes, arthritis and cancer. The energy uptake and expenditure unbalanced is the main cause of obesity. The most important of body weight control is to restrict calorie uptake, modify dietary manner and keep doing exercise. Exercise and diet control was a good method for long-term weight control of overweight obesity in body composition, cardiovascular endurance fitness, blood parameters and abdominal fat distribution. The widespread use of pharmacological interventions should not be recommended. Both dietary and exercise counseling set within a behavioral modification programmed is necessary for sustained weight control. Results provide Weight controller and educators to help obese have positive perceptions on their body image and build healthy weight-control behaviors, which may improve their physical and mental health.