Grapes are a common nutritious fruit, in addition to grape pulp, grape skin, grape seeds also contain certain nutritional value, consumption can also produce certain benefits to the human body, such as beauty, laxative, etc., but due to individual differences or overconsumption may also produce certain harm: a. Benefits: 1, beauty, beauty: grape skin contains vitamins, dietary fiber, phytochemicals, such as anthocyanins and The anthocyanins can also help reduce the production of melanin, which is beneficial to the beauty of the skin. 2, laxative: grape skins contain vitamins, dietary fiber and other elements that help promote intestinal peristalsis, which can laxative and prevent constipation. 3, prevention of anemia: grape skins are rich in iron, and moderate consumption is beneficial to iron The grape skin can also be supplemented with vitamin C, and it contains resveratrol, which can help unblock blood vessels and soften them. Therefore, the moderate consumption of grape skins is beneficial for people with coronary atherosclerosis, hypertension, hyperlipidemia, cerebral thrombosis and other cardiovascular diseases. The bad side: 1, grape skin is cold, excessive consumption may lead to Yin deficiency, cold hands and feet; 2, grape skin has a laxative effect, excessive consumption may lead to diarrhea, abdominal pain; 3, grape skin is acidic, large consumption may lead to excessive stomach acid, causing acid reflux, heartburn, stomach pain, stomach distension, stomach cramps and other gastrointestinal symptoms; 4, if not clean, easily lead to pesticide residues on the grape skin, on the human body This can be harmful to the human body.