Wake up in the morning urine is very yellow, the biggest possibility is to drink not enough water, resulting in urine concentration and caused by, it is recommended to drink more water, more urination, to observe whether the yellow urine will improve. It is also recommended that you take a routine urine test to see if there are any abnormalities in the urine, especially pay attention to whether there is proteinuria; whether there are white blood cells, red blood cells; whether there is an increase in urobilinogen, urobilirubin, and so on. Usually should be light diet, should control protein, sodium excessive intake, usually should drink more water, eat more fresh vegetables, fruits, coarse grains, coarse fiber food, night can drink water once, so that get up in the morning urine is very yellow will soon be relieved. It is recommended to pay attention to the situation of yellow urine.