The role of grapes is as follows: 1, benefit qi and blood, for qi and blood deficiency, panic, shortness of breath, sleep at night easy night sweating people, if appropriate consumption of grapes, through the supplementation of qi and blood, can alleviate the symptoms of panic and shortness of breath. 2, strong muscles and bones, so there are waist and knee soreness, osteoporosis and lumbar pain in the people can be appropriate to consume grapes, can play a role in strengthening the muscles and bones. 3, pass the urinary, for the kidneys, the liver or the Heart dysfunction caused by edema, appropriate consumption of grapes can play a good role in reducing swelling. The sugar content of grapes is relatively high, usually 15%-30%. So if the blood sugar is unstable or glucose tolerance is relatively low diabetic patients, consumption of grapes must be strictly control the intake.