Glycated hemoglobin 6.7%, for diabetic patients usually belongs to the sugar control standard, it does not matter; for the previous no history of diabetes, people need to consider the occurrence of diabetes, it is important to seek medical treatment in a timely manner, so as not to avoid the progression of the disease and the occurrence of diabetic complications. The normal range of glycosylated hemoglobin is 4%~6%, ≥6.5% with “three more and one less” clinical manifestations, can be diagnosed as diabetes, and need timely treatment. If the blood sugar control is not good, it may induce diabetic fundopathy, renal lesions and other complications, which is more important. For diabetic patients, generally need to control glycated hemoglobin below 7.0%, but also need to set the goal of glycemic control according to the individual situation, 6.7% generally belong to the glycemic control standard. It is recommended to go to the hospital when abnormalities of glycosylated hemoglobin occur.