Drinking water, much urine, oliguria, yellow is what causes it.

Glomerulonephritis: Decreased glomerular filtration rate, unable to effectively filter liquid, a large amount of liquid accumulation in the body

, resulting in oliguria, yellow symptoms of drinking more urine

Hypoproteinemia

: Hypoproteinemia causes fluid in the blood vessels to enter the tissue gap, resulting in reduced urine volume, even if drinking more urine color is yellow.