Baby’s yellowish face may be caused by jaundice, anemia, gastrointestinal dysfunction, or physiological factors. 1. Jaundice: mostly seen in newborn babies, divided into physiological jaundice and pathological jaundice, need to dynamically monitor the value of jaundice. 2. Anemia: children’s rapid growth and development, if the diet is not regular, it may cause iron deficiency anemia, manifested as yellow facial skin, pale conjunctiva, etc., you can do a routine blood test. 3. Gastrointestinal dysfunction: if the baby ate unclean food caused by abdominal pain, diarrhea, nausea, vomiting and other symptoms, may also appear yellowish color. 4. Physiological factors: some babies have a naturally yellowish color due to genetic or individual physical factors. The baby appears yellowish color, need to go to the hospital in time to find out the cause of the active treatment.