Do not drink water urine yellow, generally belong to the normal physiological phenomenon, if suffering from certain urinary system diseases, or endocrine system diseases, can also lead to this situation. 1. Physiological factors: just because of drinking less water leads to yellow urine, life is normal, the human body into the water less, resulting in a greater proportion of urochrome, the color of urine deepening, there will be a yellow urine situation, this situation will drink more water to return to normal. 2. Urinary system diseases: yellow urine may also be triggered by urinary system diseases, the emergence of urinary tract infections can also lead to the color of urine is affected. If there is inflammation in the urinary system, it will lead to an increase in the number of proteins and leukocytes, and at the same time produce the symptoms of urinary urgency, frequent urination, urinary tingling, and the color of urine will deepen. 3. Endocrine system diseases: can also lead to yellow urine, diabetes and hemolytic jaundice and other diseases may also deepen the color of urine, resulting in very yellow urine. Not drinking water yellow urine may also be caused by other factors, such as the discovery of physical discomfort, should immediately go to the regular hospital for treatment to avoid deterioration of the condition.