Tea-colored urine in the morning may be caused by physiological reasons, such as drinking less water, intake of color-containing foods, or it may be caused by pathological reasons, such as urinary tract diseases and biliary tract diseases. 1. Physiological causes: (1) Drinking less water: because of less drinking water at night, urine belongs to the state of concentration, and after a night of metabolism, the metabolic substances in the urine are higher, so the color becomes tea-colored. (2) intake of food containing the same color: the stomach and intestines of food digestion and absorption, the reaction of urination and defecation, if the intake of red food, such as dragon fruit, etc., may lead to the morning urine tea-colored. This is a normal physiological phenomenon, if the body does not have discomfort, there is no need for special treatment. 2. Pathologic causes: (1) urinary system diseases: morning urine tea color may belong to hematuria, because of urinary system diseases, common diseases are urinary tract infections, urinary stones, tumors and so on. When the disease attack, the tissues or organs of the urinary system may have the problem of mucosal damage bleeding, which in turn leads to hematuria symptoms. (2) Hepatobiliary diseases: Liver or biliary diseases, such as various viral hepatitis, biliary stones, etc., can make the body serum bilirubin levels rise, which is then discharged from the urine bilirubin levels rise, can lead to the morning urine tea color. For pathological conditions, it is recommended to go to the hospital as soon as possible for further examination, and follow the doctor’s instructions for treatment, do not delay the condition, so as not to jeopardize the health of the body.