When the man has diabetes and high blood pressure, he is usually able to have children if his condition is well controlled. When the man has diabetes and high blood pressure, if the condition is controlled within normal limits and the man’s sexual function is normal, it usually does not affect the child. Therefore, it is usually possible to have children. However, it should be noted that both hypertension and diabetes have a hereditary tendency. It is recommended that after having a child, methods such as regular body checkups and healthy lifestyle habits can be used to strengthen the prevention of these two diseases. During the preparation period, men should take medication to control blood pressure and blood sugar as prescribed by the doctor, and at the same time maintain a regular lifestyle, exercise properly, and quit smoking and drinking.