There are several reasons for the yellow urine and yellow tongue: 1, it may be due to the human body drinking a lot of alcohol for a long time, or eating too much spicy and stimulating food, resulting in too much damp heat in the body, thus showing the above symptoms; 2, when the human body is too emotional, angry, fire, this symptom can also appear; 3, when the human body suffers from urinary tract infections, such as urethritis, prostatitis and other diseases, bacteria When the human body suffers from urinary tract infections, such as urethritis, prostatitis and other diseases, bacteria can make the color of urine change, while making the tongue change, the symptoms of yellow urine and yellow tongue; 4, the digestive system lesions will also appear these symptoms, when the human body suffers from Helicobacter pylori infection, superficial gastritis, cholecystitis, gallbladder stones and other diseases, resulting in changes in urine and tongue. To sum up, the appearance of such symptoms generally suggests that there is dampness and heat evil in the human body, or the presence of bacterial infection.