The small amount of tea-colored urine may be the presence of hematuria, there may be physiological reasons, such as morning urine and take some drugs after the tea urine, but also may be pathological reasons, and some urinary system diseases related to the larger. If the color of the first urine in the early morning shows tea color and the volume of urine is small, it may be related to the concentration of urine, if the color and volume of urine after drinking water is normal, it is a physiological phenomenon, no need to intervene. If you drink less water and take medications such as rifampicin and phenytoin sodium, you may also experience less tea-colored urine. If the urine is normal after taking the medication for 6 hours and drinking water, it means that it is caused by the medication and no special treatment is needed. Urine less tea-colored urine may also be related to hematuria caused by urological diseases, when the naked eye can see red urine or more than 3 red blood cells can be observed under the high magnification field of view. Pathological hematuria may be caused by impaired glomerular filtration function, such as IgA nephropathy, lupus nephritis, etc.; it may also be caused by urinary stones, urinary tract infections, urinary tract tumors caused by rupture of small blood vessels in the urinary system. Once the patient has a small amount of urine, tea-colored urine, after discharging the physiological reasons, you need to go to the regular hospital urology department to do further examination in a timely manner.