消瘦指的是体重低于标准体重的20%,常由于体内的脂肪及蛋白质缺乏引起。它受许多因素的影响,有时是疾病的预兆,必须引起重视。体质性因素消瘦的人,父母多是消瘦体形,但无明显病态表现,这大多是由先天遗传因素决定的。引起消瘦最重要的原因是体内热量收支不平衡,其根本原因是消化和吸收功能发生了障碍,影响正常的消化和吸收。 Weight loss refers to the weight less than 20% of standard weight, often due to the body’s lack of fat and protein. It is affected by many factors, sometimes a sign of illness, that must be emphasized. Physical constitution of thin people, parents are thin shape, but no obvious pathological manifestations, which are mostly determined by the genetic factors. The most important cause of weight loss is the imbalance of heat balance in the body, the fundamental reason is the dysfunction of digestion and absorption, affecting the normal digestion and absorption.