For hypertension, one of the factors is obesity, insulin resistance, so weight loss is good for hypertension, as follows: 1, lose weight after insulin resistance will be reduced, so that the blood pressure is easier to control; 2, can make the body mass index drop, can also make the blood lipid has been reduced, vascular damage, vascular diastolic function, vascular endothelial function can be improved; 3, obese patients will mostly Apnea-sleep apnea syndrome, night because of snoring leads to hypoxia, hypoxia, affecting the endothelial function of blood vessels and lead to blood pressure is not easy to control, weight loss will reduce or correct the state of snoring, improve the quality of sleep, improve hypoxia, endothelial function of blood vessels.