From the clinical point of view, drinking water quickly and excessively may lead to bloating, increase the burden on the heart and kidneys, and in serious cases, water intoxication. 1. Bloating: Generally speaking, drinking water too fast and too quickly will swallow a lot of air together, which will easily cause hiccups or bloating. 2. Increase the burden on the heart and kidneys: drinking a large amount of water quickly at once will rapidly dilute the blood and increase the burden on the heart. General human kidney maximum diuretic rate is limited, binge drinking after ingesting water faster than this standard, obviously increased the burden of kidney excretion. 3. Water intoxication: As a result of excessive drinking, urination increases, resulting in the loss of sodium, potassium and other electrolytes, excess water will make the cells swell, nausea and vomiting, dizziness, weakness and rapid heartbeat and other symptoms. Therefore, it is not recommended to drink a lot of water, drink water in moderation, and to replenish in small quantities.