There are many reasons for drinking water and then urinating a lot, but generally it is not much of a problem and there is no need to worry too much. If there is an increase in urine volume after drinking a lot of water, this is a common phenomenon, because water has a diuretic effect, so normal people drink more water will also increase the volume of urine. If it is just a little bit of water to urinate more, then this phenomenon is mostly related to disease factors, such as chronic inflammation, diabetes, etc. can lead to, if this situation often occurs, it is best to go to a regular hospital to check the urinary routine and blood sugar, to see if there are urine white blood cells and blood sugar elevation, if the test results are abnormal, need to be treated according to the results, such as elevated white blood cells, to use antibiotic treatment (such as commonly used If your blood sugar is elevated, you should actively control your blood sugar. In addition, factors such as temperature, environment, exercise, and mental and psychological factors can affect the body’s metabolism, further affecting the number and volume of urination. All in all, if only once in a while there is a lot of urine after drinking water, then do not worry, generally not much problem, if this situation often occurs, it is best to go to the regular hospital to check the rest assured.