The yellowing of palms and feet is a physiological phenomenon that may be caused by eating carrots and pumpkin, or it may be caused by diseases such as choledocholithiasis and hypercarotenemia, as well as other diseases such as liver damage. 1. Physiological phenomenon:Patients may eat too much food containing carotene, such as carrots, pumpkin, etc., resulting in excessive deposition of carotene in the body, so the patient will have the symptom of yellowing of the palms and feet. 2. Choledochal stones:The cause of choledochal stones is not yet clear, and it is considered to be caused by a variety of factors such as biliary tract infection and biliary tract stenosis. Patients will have abdominal pain, jaundice, high fever and other symptoms. Patients with jaundice will have yellowing of the skin and yellowing of the palms and feet. 3. Carotenemia:Carotenemia is caused by the high carotene content in the patient’s body, and the main symptoms are yellowing of the skin, nausea, vomiting and so on. Jaundice in carotenemia will start from the palms of the hands and feet first, and the patient will have yellowing of the palms and feet. 4. Other: Liver damage, hemolysis and other diseases can also cause yellowing of palms and feet. The yellowing of palms and feet may be a normal physiological phenomenon and does not require special treatment. If the yellowing of palms and feet is caused by diseases, patients should seek medical treatment in time and cooperate with doctors.