Diabetes mellitus is a common endocrine metabolic disease. The number of people with diabetes worldwide is predicted to rise to 592 million by 2035. Type 2 diabetes, the most common endocrine metabolic disorder in internal medicine, is a disease involving relative or absolute deficiency of endogenous insulin and/or reduced sensitivity of peripheral tissues to insulin due to environmental, immune and genetic factors. As the disease progresses, its resulting heart, brain, kidney, eye and nerve complications threaten the health and lives of people with type 2 diabetes. Follow us today to see why it’s important for people with diabetes to quit smoking! Smoking can lead to significantly higher levels of hormones with insulin antagonistic effects, such as growth hormone and glucocorticoid, in type 2 diabetic patients, causing insulin resistance in peripheral tissues. Smoking can aggravate insulin resistance and glucose metabolism disorders in type 2 diabetic patients, which is not conducive to the effective control of blood glucose in type 2 diabetic patients; quitting smoking can control blood glucose levels in type 2 diabetic patients, and active and effective interventions should be taken to reduce the smoking rate of patients. The nicotine in tobacco stimulates adrenaline secretion in human body, which directly causes blood pressure increase and blood sugar fluctuation. In addition, nicotine in tobacco causes excitation of the sympathetic nervous system, leading to increased release of catecholamines and other glucose-raising hormones, and catecholamines weaken the body’s insulin. Studies by the American Diabetes Association point out that almost all diabetics who require amputation are smokers. Studies have also shown that smoking causes an increase in blood glucose levels while decreasing insulin sensitivity, which may be related to the direct effects of nicotine, carbon monoxide, or other chemicals produced by smoking. Smoking has been correlated with both macrovascular and microvascular complications of diabetes. Studies have shown that both active and passive smoking can lead to vascular endothelial dysfunction, platelet dysfunction, and vascular inflammation, increasing cardiovascular mortality in type 1 diabetics and the prevalence of coronary atherosclerotic heart disease and stroke in type 2 diabetics, making it harder to control hypertension and cholesterol at ideal levels in type 2 diabetics; it also accelerates the deterioration of renal function in diabetics and It is an independent risk factor for type 1 and type 2 diabetic nephropathy. Some studies have shown that smoking is an independent risk factor for the development of type 2 diabetes, and there is a dose-response relationship between the two. Among type 2 diabetic patients, most of the male patients have a smoking habit, and some are long-term smokers. Smoking behavior is a complex, pharmacological and social behavior. The process of quitting smoking is actually a comprehensive and multifaceted behavior modification, which is very difficult because of the need to combat both the pharmacological dependence of nicotine and the psychological dependence of smoking, as well as to resist various tempting factors in the environment. The health risks of smoking are obvious, and for diabetics it is a chronic suicide. It is recommended here that diabetic patients, no matter how long the disease, the severity of the disease, smoking cessation must be beneficial to the condition, if the usual amount of smoking is relatively large, can not be completely quit at once, you can gradually reduce the amount, you can also go to a large hospital smoking cessation clinic to seek professional guidance.