引言目前在全世界范围内,2型糖尿病大军都在快速扩增。我国2型糖尿病患者人数已逾4千万,形势非常严峻。对于2型糖尿病的治疗来说,医生通常都是先选择生活方式干预和口服降糖药。但是,随着糖尿病病情的进展,当口服降糖药无法有效控制血糖的时候,就需要及早改用或加用胰岛素治疗。此外,对于血糖很高的初诊糖尿病患者来说,一开始就启用胰岛素治疗可以迅速解除高糖毒性,使受到高血糖抑制的胰岛β细胞功能得以恢复。因此,胰 INTRODUCTION At present, the type 2 diabetes mellitus is rapidly expanding throughout the world. The number of type 2 diabetes patients in China has exceeded 40 million, the situation is very serious. For the treatment of type 2 diabetes, doctors are usually the first choice of lifestyle interventions and oral hypoglycemic agents. However, with the progress of diabetes, when oral hypoglycemic agents can not effectively control blood sugar, insulin treatment should be switched as soon as possible or added. In addition, high-glucose patients with newly diagnosed diabetes, the beginning of insulin therapy can quickly relieve high glucose toxicity, hyperglycemia-suppressed pancreatic β-cell function was restored. Therefore, pancreas