The phenomenon of yellow urine color can occur when taking multivitamins, because multivitamins are rich in vitamin B2, also known as riboflavin, which can cause the phenomenon of yellow urine staining after intake into the body, which is a normal phenomenon and not a disease condition. This is normal and not a disease condition. Patients do not need to worry too much about this, as the yellowing of urine can be improved after stopping the medication or drinking more water. There is also less water during the medication, urine concentration plus drug staining, will make the urine appear golden yellow or yellow, etc., are not accompanied by any pain, urinary frequency, urinary urgency and other symptoms, then you only need to properly increase the amount of water or stop the relevant drugs can be, and there is no harm.