Clinically yellow urine can be solid fire or deficiency fire. At the same time, yellow urine may also be a normal physiological phenomenon. 1. Real fire: yellow urine caused by real fire, the symptoms will be accompanied by short red urine (small amount of urine, dark yellow color), burning pain in the urethra, heavy smell, etc., and may be accompanied by thirst, heartburn, frequent urination, painful urination and other symptoms. 2. Deficiency fire: yellowing of urine caused by deficiency fire, usually for a long time and accompanied by heat in the hands and feet, hot flashes (a burst of heat), night sweats (abnormal sweating after going to sleep, waking up sweating stops), lumbago, fatigue, dizziness, frequent urination and other symptoms. 3. Normal physiological phenomenon: urine is the body’s metabolic products, drink too little water or long in a high temperature state sweating more, the color of urine will become darker, generally do not have other discomfort. Normally, you should drink more water, if the urine is yellow and accompanied by other uncomfortable symptoms, you should go to the regular hospital in a timely manner, by the professional Chinese medicine practitioners for diagnosis and treatment.