1, increased appetite: If people in a period of time appetite increased significantly, less than the time to eat often feel hungry or eat meals increased significantly, then be alert to the arrival of diabetes.

2, gums on fire, dry throat: diabetic patients before the onset of thirst often, even if they have drunk a lot of water, or dry throat, sometimes accompanied by swollen and painful gums, generally because the body intake of sugar and calories caused by too much.

3, weight loss: diabetic patients before the onset of meals, but the weight did not rise instead of falling, this situation is generally due to the body's metabolic abnormalities caused by the body, no matter how to eat will not be absorbed by the body.

4, there will be skin disease: diabetic patients before the onset of the incurable ulcers and skin infections, this situation is recurrent, bringing great pain to the patient.

5, frequent urination, increased nocturia: diabetic patients before the onset of urinary frequency, especially at night often get up to go to the toilet, affecting the quality of sleep.