2型糖尿病是以胰岛素分泌缺陷和胰岛素作用障碍为基本发病机制、高血糖为主要生化特征的慢性进展性疾病。发病率高、并发症多,严重威胁人类生命健康。目前,治疗2型糖尿病的药物有阻碍肠道碳水化合物吸收的葡萄苷酶抑制剂、刺激残存β细胞的胰岛素促泌剂、抑制糖原异生的肝糖输 Type 2 diabetes mellitus is a chronic progressive disease characterized by impaired insulin secretion and impaired insulin action, and hyperglycemia as the major biochemical feature. High incidence, multiple complications, a serious threat to human life and health. At present, drugs for treating type 2 diabetes have glycosidase inhibitors which hinder the absorption of intestinal carbohydrate, insulin secretagogues that stimulate residual beta cells, glycogenosis-inhibiting glycogenosis