中文摘要：

未病是指不具有诊断某种疾病的特征性症状的前病状态，即“无典型症状，有客观证候”。所谓“不治已病，治未病”是指在发现异常苗头时，采取积极的预防措施，逆转其发展方向，恢复其正常状态。防病于未然，治病于潜伏阶段，是中医“治未病”的精髓。糖尿病是一种生活习惯病，其未病状态是指糖尿病前期，主要表现为糖耐量低减。古代治未病尚包括“已病防变”，现代医疗对象的主体是已病人群，缺少的恰恰是开展大规模的未病医疗。糖尿病“治未病”的核心思想实为早期预警、早期防治，借助现代医学的微观检测手段，结合中医学辨证论治及养生保健方法，将糖尿病治疗重心大大提前。

英文摘要：

Pre-disease is a condition in which characteristic symptoms are not prominent. That is to say predisease is lack of key proof to be diagnosed as a disease,but has common symptoms as well as signs. It is said in Inner Canon of Huangdi that ＂prefer prevention to treatment＂ , which needs doctors to find unusual symptoms in early stage of diseases then take positive preventive measures to help patients regain health. Diabetes mellitus （DM） is one of the life style-related diseases which associated with unhealthy habits of human beings. Pre-diabetes mellitus mainly refers to impaired glucose tolerance （IGT）. With the help of modern medical technology, doctors and patients should focus on pre-diabetes by combining TCM treatment based on syndrome differentiation and health care, in order to stop DM at early stage.