Some people say: a cigarette after a meal, than the living gods some say: wine and meat through the intestines, the Buddha’s heart sitting. So, for diabetic patients, you can smoke, drink alcohol? 1, smoking: normal people should still quit smoking, let alone diabetic patients, smoking a hundred harm but no benefit. (1) nicotine (nicotine) will stimulate adrenaline secretion, causing palpitations, increased blood pressure, blood sugar fluctuations; (2) diabetic patients often have vascular disease, smoking is also a risk factor leading to diabetic macrovascular disease, can be caused by adrenaline secretion and microvascular constriction, blood flow slows down, prompting cholesterol deposits on the walls of the blood vessels, making the blood vessels thinner, and accelerate the formation of thrombosis, causing cardiovascular, cerebrovascular accidents. (3) smoking reduces the barrier function of the whistle tract, which can easily cause bacterial infection in the lungs. Therefore, diabetic patients must not smoke. 2, alcohol: long-term alcohol consumption will damage the liver, pancreas, cardiovascular, nervous system, etc., so diabetic patients should avoid alcohol. But some people are difficult to quit at once, then you must pay attention to the following points: (1) good control of blood sugar, fasting blood sugar in 7.8 mmol/L or less; (2) attention can not be taken at the same time with oral hypoglycemic drugs; (3) normal liver function; (4) no other important chronic diseases other than diabetes, such as coronary heart disease, liver disease, ulcer disease, etc.; (5) obese people. For example, 200 ml of beer, 70 ml of wine and 25 g of liquor are equivalent to 25 g of rice, i.e. 335 kJ (80 kcal) of calories. When drinking alcohol, it is also important to try to keep the daily intake and the ratio of various nutrients in a relatively constant state, so as to avoid dietary deficiencies and excesses. Of course, diabetic patients should try to abstain from alcohol, do not follow their example! Although wine is good, don’t be greedy!