A yellowish and dull complexion in boys may be related to food metabolism, weakness of spleen qi (weak spleen qi), and malfunction of liver and gallbladder drainage. 1. If excessive consumption of carotene-rich fruits and vegetables can cause yellowish color, such as carrots, pumpkins, mangoes and oranges, but not accompanied by other systemic symptoms. You can stop taking these foods in time, and generally do not need medication. 2. If you have a yellowish and dull complexion, accompanied by tiredness (fatigue), lack of energy and laziness (lack of strength, do not want to talk), loss of appetite, bloating after eating, loose stools, etc., it may be caused by weakness of the spleen qi. 3. If the color of the face is yellow and dull, accompanied by yellow eyes, yellow body, yellow urine and other symptoms, it may be caused by the liver and gallbladder discharge malfunction, bile does not follow the normal path. Those who have the above symptoms should seek medical treatment in time to avoid delaying their condition.