The human body in the early morning after waking up, the first time to urinate the urine is very yellow this situation, generally due to the human body intake of water is too small, in the night rest when the urine is concentrated, and ultimately discharged this kind of dark yellow urine. If the patient does not have some uncomfortable symptoms, such as frequent urination, urinary urgency, urinary pain or some previous underlying diseases, such as hepatitis or hemolytic disease, generally do not need to worry. However, if the patient’s normal water intake is relatively large, and in the early morning after waking up to urinate there is a very yellow phenomenon, it is necessary to carry out a check, routine should check the urine routine, clear whether there is an internal structure as well as abnormal metabolism of the substance is elevated. More commonly, very yellow urine can occur with elevated urobilinogen or hemolytic disorders such as hemoglobinuria. However, in physiological conditions such as athletes after strenuous exercise, but also after a night’s rest, the urine is very yellow in the morning, this situation is often caused by myoglobinolysis, after normal rest will be relieved. Therefore, the situation of yellow urine, it is recommended that patients observe for a period of time, if there is no discomfort symptoms, drink more water, diligent urination will not have to worry.