Normal drinking of water is generally not harmful to the body, but may be harmful if you drink too much water in a short period of time. Normal drinking water will generally cause urination and other physiological reactions, there is no harm. Drinking water can promote the body’s fluid circulation, metabolism, etc., under normal circumstances, you need to drink 1500ml ~ 1700ml of water every day to prevent the body from dehydration. However, if you drink too much water in a short period of time, it may dilute the electrolyte concentration in the body, leading to electrolyte disorders, or “water intoxication”. “Water intoxication” refers to when the total amount of water ingested by the body greatly exceeds the amount of water excreted, resulting in water retention in the body, causing a decrease in plasma osmolality and an increase in circulating blood volume, which is less common in clinical practice. It may also dilute gastric juices, causing nausea and discomfort, indigestion and other symptoms. It can aggravate the burden on organs such as the heart and kidneys, especially in people suffering from kidney disease, liver disease, congestive heart failure and other diseases. It is recommended that you should pay attention to drinking water at the right time and in the right amount in order to avoid causing discomfort.