White sugar water usually has a certain detoxification effect, because white sugar water is rich in more monosaccharides and high sugar components, can play the role of osmotic diuretic, through osmotic diuretic will play to accelerate the glomerular filtration, and renal tubular reabsorption effect, so it will have a certain detoxification effect. White sugar water can also replenish the glucose in the body, after a person drinks too much alcohol the body will be in a state of negative nitrogen balance, so it will consume a lot of glycogen, at this time to supplement some white sugar water, the body is a beneficial energy supplement. White sugar water has a certain protective effect on the mucous membrane of the gastrointestinal tract, which will prevent the further absorption and digestion of ethanol and acetaldehyde in the body, especially in the gastrointestinal tract, so white sugar water is effective in relieving alcohol.