Mainly because the disease may lead to the accumulation of bilirubin in the body, making the face yellow. Common diseases are liver disease, and bile duct disease will make your face yellow. You should see a doctor as soon as possible. If you have this disease, you may be accompanied by other physical discomfort. If the body does not get enough energy, then the appearance will be pale, emaciated, depressed and so on. Dietary effects If a person eats too much food containing a lot of yellow pigment at one time, it may lead to yellowing, but this yellowing will not last long and will recover on its own. Therefore, if you want to return to a normal lifestyle, you need to prepare enough vitamins and minerals. Please note that not all people who eat these foods will have symptoms of yellow skin. If a person often has insufficient blood supply, his face will turn yellow.