2型糖尿病是当今世界范围内最普遍的慢性疾病之一[1]。在中国,成人(≥20岁)糖尿病及糖尿病前期的人群分别占成人总数的9.7%和15.5%,且糖尿病的比例随年龄增加而增长(20~39岁、40~59岁及≥60岁人群分别为3.2%、11.5%、20.4%)[2]。在2型糖尿病的进展过程中,病理生理变化始于糖尿病前期[3]。糖尿病前期,即为糖调节受损(IGR),为正常葡萄糖稳态和糖尿病高糖之间 Type 2 diabetes is one of the most prevalent chronic diseases in the world today [1]. In China, the prevalence of diabetes and pre-diabetes in adults (≥20 years) accounts for 9.7% and 15.5% of the total, respectively, and the proportion of diabetes increases with age (20-39, 40-59 and ≥60 years of age) Respectively, 3.2%, 11.5%, 20.4%) [2]. In the development of type 2 diabetes, the pathophysiological changes begin in pre-diabetes [3]. Pre-diabetes, which is impaired glucose regulation (IGR), is between normal glucose homeostasis and high glucose in diabetes