Urine yellowing if caused by drinking too little water and other reasons, do not need to take drugs or food, drink more water can be; caused by drugs to stop the drug can be caused by jaundice, need to take oral reduced glutathione, silymarin and other drugs treatment. 1. Drinking too little water. When people drink less water or sweat a lot after exercise, it can lead to the concentration of yellow urine, usually increase the amount of water, you can make the urine clear. 2. Drugs. People taking furazolidone, vitamin B2 and other drugs can cause yellow urine, stop using drugs can return to normal. 3. Jaundice. Yellow urine caused by hepatocellular jaundice or obstructive jaundice requires oral medication, such as reduced glutathione and other detoxifying agents, silymarin and other hepatoprotective agents for treatment. When the urine is yellow for a long period of time, the cause needs to be clarified under the guidance of a doctor so that it can be actively treated, and the medication needs to be applied according to the doctor’s prescription.