A drink of water on the urine is a normal phenomenon, is a normal physiological response, and the body water metabolism has a correlation, in line with the body’s normal excretory process. After drinking water through the gastrointestinal tract absorption of water increased, further leading to an increase in blood volume, osmotic pressure decreased, through the renal filtration of water will increase, reabsorption decreased, further leading to the bladder filled with urine increased, through the nerve reflex stimulation of urinary center, will lead to increased urination performance, belong to the normal physiological changes. Increased urination will help the body metabolism, but the amount of urine increased significantly, and drinking water is not closely related to the need for timely medical observation, further examination of the physical condition, diagnosis of the condition of the standardized treatment, to avoid delays in the condition.