Dry eyes in diabetic patients may present with dry eye, retinopathy, and other diseases such as dry syndrome. Long-term poor glycemic control in diabetic patients can easily lead to changes in ocular surface cells, tear composition, osmolality and mucin, causing diabetic eye diseases, such as dry eye, which can manifest as dry eyes, burning, red eyes and other symptoms, and in severe cases, blurred vision and other symptoms. Diabetes combined with dry syndrome, can also appear dry eyes, dry mouth and other symptoms, need to improve the relevant antibodies to further clarify. Diabetic dry eyes should be timely consultation, under the guidance of the doctor treatment.