After eczema melanin precipitation can generally be eliminated on their own, can also be assisted by some drugs, if necessary, can be eliminated through physical therapy. 1. After eczema healed, some patients will leave pigmentation, especially chronic eczema and scratching obvious parts, but the pigmentation is generally temporary, as long as good sun protection measures, with time the color will slowly fade until completely disappear, so do not have to worry too much. 2. Drugs: local topical hydroquinone cream and other decolorizing agents are most commonly used, but also can be used externally to enhance the decolorizing effect of hydroquinone cream. In addition, you can also take oral tranexamic acid, vitamin C, vitamin E, niacinamide, etc., all have a certain whitening effect. 3. Physical therapy: including laser treatment, photorejuvenation, etc., can effectively remove facial hyperpigmentation. It is recommended that patients with appearance needs should go to regular medical institutions for consultation, and should not blindly use medication on their own.