Whether type 2 diabetes is contagious, the answer is no, neither type 1 nor type 2 diabetes is not contagious, diabetes is a chronic metabolic disease, there are many reasons for the onset of diabetes, such as genetic predisposition, environmental factors, endocrine disorders lead to insulin dysfunction, can not meet the body’s needs, poor blood sugar control and complications of diabetes. This disease is not contagious and does not have any transmission channels, but there is a certain genetic predisposition, one parent has diabetes or both have diabetes, the next generation has a much higher chance of getting diabetes than other normal people. Diabetic patients after marriage in the common environment of life, if the spouse has diabetes, obesity control, diet, exercise should pay special attention to, or diabetes prone. Diabetes itself is not a big problem, we should pay attention to the blood sugar control, their own eating habits, living habits, blood sugar testing should be done, so that it will not affect a lot.