Type 2 diabetes is insidious and not easily detected in the early stages, but there are still traces to be found. For example: 1.Eating the same amount as before, but easily hungry. 2, slightly increased water consumption, but easy to thirst. Lu Bo, Department of Endocrinology, Shaanxi Provincial Hospital of Traditional Chinese Medicine 3. Slight increase in urine volume, especially nocturia increases significantly, even bedwetting, urine foam increases significantly, some urine is sticky and has a sugarcane water-like odor. 4.Weight loss or increase. 5.Drowsiness and weakness. 6.Wounds do not heal easily, the body`s prolonged treatment does not heal, periodontitis, gingivitis repeatedly. 7.Some odd symptoms that are not easy to explain, such as: excessive sweating, dry and itchy skin, irritable fever, abnormal spirit, numbness of hands and feet, loss of vision, impotence, etc.