Diabetes is usually not contagious between husband and wife, diabetes is a variety of etiological factors caused by chronic hyperglycemia as a characteristic metabolic disease, due to diabetes secretion or utilization defects caused by the lack of specific pathogens, not contagious, mainly related to genetic and environmental factors, divided into type 1 and type 2. Type 1 diabetes is mostly an autoimmune disease, mainly due to the destruction of pancreatic β-cells, absolute lack of insulin, the onset of most of the genetic and environmental factors together. 2 diabetes etiology and pathogenesis is not yet completely clear, may be related to heredity, poor lifestyle and so on. It is recommended that diabetic patients go to the endocrinology department of regular hospitals in a timely manner, complete the relevant examinations, standardize the treatment under the guidance of the doctor, and undergo regular review, so as to avoid delaying the condition.