The fact that the eczema is yellow does not mean that it is well, perhaps there is a possibility of aggravation, because eczema generally exists exudation, if there is yellow exudation, consider the possibility of secondary bacterial infection is greater. The actual fact is that you will need to do a bacterial culture of the exudate plus a drug allergy to see what kind of bacterial infection it is, and use targeted antibiotics to treat it. If the exudate is serious, you can also order sodium chloride injection of compound glycopyrrolate monoammonium S. In life, you need to avoid spicy and stimulating diet, as well as beef and mutton, seafood and other hairy products, and avoid drinking alcoholic beverages.