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近年来，肥胖和超重已经被认为是一项严重的公共卫生问题，而膳食纤维作为一种营养素在预防和治疗肥胖中的应用已经引起学界广泛的关注，越来越多的临床医师将膳食纤维应用到肥胖患者的治疗中。膳食纤维可以通过物理作用、免疫调节作用、抗炎作用、益生元作用等多个方面调节人体的血脂和血糖，从而产生预防、治疗超重和肥胖的作用。膳食纤维来源丰富，不良反应少，是超重和肥胖者极好的选择。“,”Recently,obesity and overweight have become a serious public health problem,and dietary fiber as a nutrient has been discussed over worldwide on preventing and treating overweight and obesity .At the same time,dietary fiber has become more popular clinically when treating obesity patients .One reason dietary fiber can prevent and treat overweight and obesity is that dietary fiber can reduce blood lipid and blood glucose from multiple aspects including physical process,immune process,anti-inflammation and prebi-otics effect.Dietary fiber is an excellent choice of overweight and obese people since it has rich source and less adverse events.