Men with diabetes can have children, but they should pay attention to the following points: the first point is that diabetes is hereditary, and men with diabetes may pass it on to the next generation. The second point is that diabetes itself will have certain effects on male function, such as the hardness and lasting time of penile erection, and even a large number of sperm deaths, which will cause premature births in women, infertility and so on, and even in the late stage of diabetes, men will become impotent. The third point is that diabetes can cause lasting and irreversible damage to the human body, for example, it can cause vascular and neuropathy, which will have a certain impact on men’s energy, especially after having children, which will affect the quality of family life.