If there is urine soon after drinking water, then the possible reasons: 1, the body fluid itself reaches a saturated state, after drinking water to produce an increase in blood volume, the kidneys accelerate its metabolism, resulting in the rapid discharge of water out of the body, so it will produce urine immediately after drinking water. 2, if there is diabetes or there is a high concentration of solutes in the urine, then there can be polyuria after drinking water, because the urine contains a high osmotic pressure, so it will play osmotic diuretic effect, so water will be excreted immediately after drinking, manifesting as polyuria. 3.Some mental tension and environmental tension can lead to mental polyuria in patients, resulting in thirst, frequent drinking and frequent urination, which can disappear as long as the mind is relaxed and in a quiet, comfortable environment. 4.In colder weather, if you drink water you will Urination soon.