Long-term yellow urine is not necessarily due to disease causes, normal patients may also have yellow urine symptoms, generally urine in the presence of urobilinogen components, when drinking less water will lead to a reduction in urine production, which will lead to increased urine color. If the patient has long-term yellow urine accompanied by yellow skin, urinary discomfort and other symptoms, it may also be due to liver disease, urinary tract infections and other disease causes, but is not limited to three diseases: 1, digestive system diseases: cholecystitis, gallstones, viral hepatitis, alcoholic cirrhosis, liver cancer and other causes of liver cell damage, affecting the metabolism of bilirubin will cause combined bilirubin reflux into the blood to induce jaundice, most in the jaundice stage of liver disease Most patients in the jaundice stage of liver disease will not only show yellowing of the skin and sclera, but also lead to yellow urine; 2, urinary system diseases: pyelonephritis, ureteritis, cystitis, urethritis and other urinary system diseases, inflammation caused by bacterial infection, will generally appear yellow urine performance, accompanied by frequent urination, urinary urgency, painful urination, burning sensation in the urethra and other symptoms; 3, other: prostatitis, for example, if the disease affects the posterior urethra, the patient may also appear yellow urine, urinary pain and other symptoms. The patient may also experience yellow urine, cloudy urine and other phenomena. The actual fact is that you can find a lot of people who have been in the business for a long time. It is recommended that patients who are unable to identify the cause can go to the hospital to improve the relevant tests.