The color of urine is considered to be caused by urine concentration, dietary factors, liver and gallbladder diseases, hematuria and other reasons. 1. Concentration of urine: If you drink too little water or sweat too much, the concentration of urine inside the body will lead to a strong tea-colored urine. 2. Dietary factors: The color of the urine may also be caused by an individual’s intake of more colorful foods or drinks. 3. Liver and gallbladder diseases: Abnormal bilirubin metabolism caused by liver and gallbladder diseases may lead to an increase in the concentration of bilirubin in the urine, leading to a deepening of the color of the urine, resulting in a darker color of the urine, resulting in a strong tea-colored urine. 4. hematuria: the possibility of hematuria is not excluded. There are many different factors that can cause strong tea-colored urine, and individuals who experience unexplained strong tea-colored urine for a long period of time are advised to consult a doctor in a timely manner.