Kissing does not transmit diabetes. Diabetes is a group of metabolic diseases characterized by chronic hyperglycemia, most of the diabetes is in the genetics and environmental factors such as a combination of the onset of diabetes, so diabetes is not a contagious disease, kissing does not transmit diabetes. Although, kissing is not contagious diabetes, but may be infected Helicobacter pylori, tuberculosis bacillus, herpes virus and other pathogenic microorganisms, causing the corresponding diseases, it is recommended to pay attention to personal hygiene, with the disease in a timely manner to receive medical treatment. If you are worried about infectious diseases after kissing, you can go to the hospital, consult a professional doctor and ask him or her to make a judgment.