Drinking water in the right way, a glass of warm water after getting up in the morning can effectively help the kidneys and liver detoxification, prevention of constipation, clean intestines. Normal people drink about 2,000ml of water per day, which generally does not cause water intoxication. However, if the kidney function is poor patients, drinking too much water may occur poisoning, blood and interstitial fluid electrolyte concentration will be reduced, a large amount of water infiltration into the cell, so that the cell swelling and water intoxication occurs. Water intoxication can manifest itself in various neuropsychiatric symptoms, such as headache, amnesia, confusion, disorientation, drowsiness, agitation, convulsions, delirium, and even coma.