1, nicotine and nicotine can stimulate the release of glucagon and raise blood sugar 2, smoking can cause tissue hypoxia 3, smokers suffer from depression 2 times more than non-smokers. 4, smoking can reduce the body’s sensitivity to insulin, raising blood sugar, especially for patients with trunk obesity, aggravating insulin resistance is more obvious. 5, smoking can accelerate the development of diabetic macroangiopathy, so that the prevalence of coronary heart disease significantly increased 6, nicotine and nicotine on the validation of the vascular endothelium has an impact on the vascular endothelium, promoting damage to the vascular endothelium, accelerating the formation of atherosclerosis. Food preparation for hyperglycemic patients 7, cooking rice mixed with some coarse grains is better, on the one hand, blood sugar will not be too high, but also to reduce the stimulation of coarse grains on the bit 8, meat cut into shreds is better 9, to light as appropriate, less salt and less oil, with oil to corn oil, sunflower oil, peanut oil, soybean oil and other vegetable oils mainly 10, cooking methods to stew, boil, boil smothered cold mainly less frying, frying, less thickening.