Diabetes can not immediately quit smoking is a false statement, diabetic patients also need to quit smoking in time and reasonable weight control. Smoking is harmful to health. Smoking is not only an important risk factor for cancer, respiratory and cardiovascular diseases, but also has a close relationship with the occurrence of diabetes and its complications. Therefore, it is beneficial for diabetic patients to quit smoking in the long run. Diabetic patients themselves often have symptoms of hunger, if you quit smoking after the release of nicotine on the appetite suppression, this may increase the amount of food patients. Or in order to resist the urge to smoke, snacks are used to divert attention, which is not conducive to blood glucose control. Therefore, diabetic patients should be encouraged to quit smoking in a timely manner, but during the period of quitting smoking must be reasonable dietary control, to prevent rapid weight gain induced adverse health effects. Smoking cessation measures can also be supported by psychological and pharmacological interventions. Under the guidance of a doctor, blood glucose monitoring and control.