With the modernization of lifestyles, changes in dietary structure and reduced physical activity, the prevalence of overweight and obesity is growing at an alarming rate. However, in life, many people fail to recognize the harm of obesity and still live without moderation. The health hazards of obesity are multifaceted and multi-system, especially the damage to the cardiovascular system is the most serious. Obesity can not only through diabetes, hypertension, dyslipidemia and other adverse effects on the cardiovascular system, but also directly affect the structure and function of the heart. 1. Obesity and hypertension in the clinical diagnosis process can be found in most hypertensive patients are overweight or obese body type. Statistical data found that the prevalence of hypertension in obese people is 6 times that of normal-sized people; and the results of the third U.S. National Nutrition and Health Survey show that: regardless of whether it is male or female, the prevalence of hypertension increases with the rise of BMI. High blood pressure makes the heart load, easy to ventricular hypertrophy, which can further lead to hypertensive heart disease, coronary heart disease, heart failure, heart rhythm disorders. 2. Obesity and dyslipidemia Obese patients have dyslipidemia, which is characterized by elevated triglycerides, elevated LDL-cholesterol, easy to form small and dense LDL-cholesterol, and lowered levels of HDL-cholesterol. These characteristics are extremely important factors that lead to atherosclerosis, causing cardiovascular and cerebrovascular diseases. 3. Obesity and diabetes Increase the incidence of diabetes is another important harm of obesity. Data show that the incidence of diabetes in patients with abdominal obesity is significantly higher than normal. Diabetes and coronary heart disease, hypertension and other cardiovascular diseases are closely related: diabetic patients have almost all the risk factors associated with cardiovascular disease, such as high blood glucose, dyslipidemia, hypertension, high blood viscosity, high blood coagulation, hyperinsulinemia, vascular endothelial dysfunction, low-grade systemic inflammation. 4. The direct impact of obesity on the heart Obesity can not only through diabetes, hypertension, dyslipidemia on the cardiovascular system has an adverse effect, but also directly affect the structure and function of the heart. Studies have found that obese patients are more likely to suffer from ventricular hypertrophy, severe obesity about 50% of the left ventricular hypertrophy, which suggests that obesity itself can be caused by changes in the structure and function of the heart. Summarize: Do not think that obesity is a “blessing”, “big belly” is often accompanied by an increased risk of cardiovascular disease. Therefore, from now on should pay attention to weight and reasonable weight control!