Morning urine is very yellow with odor, usually with too little water, less activity and other physiological factors; or is the urinary tract, liver and gallbladder infection disease and other pathological factors. 1. Physiological factors: such as too little diet or too little activity in general, after a reduction in excretion, it will increase the concentration of urine, which leads to yellow urine color, appropriate increase in water intake, activity, the color of urine can be restored to normal. 2. Urinary tract infections: such as cystitis, urethritis, etc., may lead to yellow urine color, and the mucous membrane stimulation by inflammation caused by edema, erosion and other factors. 3. Hepatobiliary diseases: for example, hepatitis, cholecystitis, etc., easy to cause bile stasis, elevated bilirubin, if not normally excreted, may enter the urine, thus causing yellow or red urine color. Morning urine is very yellow, there is a clear odor, there may be other reasons, to rule out physiological factors, it is recommended to actively seek medical attention, under the guidance of a professional physician.