糖尿病是一组以慢性血葡萄糖(简称血糖)水平增高为特征的代谢疾病群,是由于胰岛素分泌缺陷和(或)胰岛素作用缺陷而引起,表现为烦渴、多尿、多饮、多食、疲乏、体重减轻。久病可引起多系统损害,导致眼、肾、神经、心脏、血管等组织的慢性进行性病变,引起功能缺陷及衰竭。 Diabetes mellitus is a group of metabolic diseases characterized by increased levels of chronic blood glucose (referred to as blood glucose) due to defects in insulin secretion and / or insulin action, manifested as polydipsia, polyuria, polydipsia, polyphagia, Tired, weight loss. Chronic illness can cause multiple system damage, leading to chronic progressive lesions of the eye, kidney, nerve, heart, blood vessels and other tissues, causing functional defects and failure.