Corn water is boiled by corn and water, which contains protein, vitamins, starch and other substances that can replenish the body. Drinking corn water in moderation may have certain effects of eliminating edema, beauty and promoting bowel movements, but the efficacy of food is very limited and cannot replace drugs, and it is recommended not to rely excessively to avoid discomfort caused by excessive drinking. A. Benefits: 1. Eliminate edema: If the corn even beard together with water, corn beard in the flavonoid extract can help reduce edema and inflammatory cell infiltration, to improve the body’s physiological swelling or disease caused by edema state may have some effect, edema patients can drink in moderation. However, the content of the effective substance is small, there is no role in the treatment of disease, edema also need to be standardized treatment for the cause, while not excessive drinking corn water, drinking too much water is not conducive to eliminating edema; 2, beauty and beauty: corn water contains vitamin A, vitamin E and other nutrients, vitamin A can improve the morphology of epithelial cells, vitamin E can fight free radical peroxidation, but also help Vitamin A absorption, help beauty; 3, promote defecation: corn water contains a certain amount of cellulose, help promote the human gastrointestinal peristalsis, there is a certain role in promoting defecation, to relieve constipation is beneficial; 4, other: Chinese medicine that corn is slightly cold, drinking corn water can help relieve body heat to a certain extent, the spleen and stomach deficiency heat people drinking has certain benefits. Second, the bad: corn is high in sugar, so corn water also contains a certain amount of sugar, excessive drinking will have an impact on blood sugar. It is not recommended for people with high blood sugar or diabetes to drink corn water to avoid aggravating the rise in blood sugar. Some people believe that the carotene contained in corn water has the effect of protecting eyesight, glycoprotein has anti-allergic effect, lutein can lower blood pressure, lower blood sugar, but there is no research to confirm, and the content of such substances in corn water is also very limited, does not have a therapeutic effect.