Discoloration on the face should be handled according to the specific type of discoloration, commonly freckles, chloasma, seborrheic keratosis, etc. It can be eliminated by topical medication, oral medication and physical therapy. 1. Freckles: this disease will appear brown spot-like color spots on the face, which will be aggravated after ultraviolet ray exposure and generally have no other symptoms. Sun exposure should be avoided, and sunscreen can be applied or sun hat can be worn to avoid aggravating the symptoms. Usually, it can be eliminated by ruby laser, emerald green stone laser, intense pulse light and other methods. 2. Chloasma: This is a disease related to many factors, such as pregnancy, ultraviolet radiation, cosmetics, heredity and so on. You can apply local hydroquinone cream, tretinoin and other drugs to reduce the production of pigment while using retinoic acid to promote melanin metabolism. Can be combined with oral vitamin C, vitamin E and other medications. It can also be treated with physical methods such as intense pulsed light. 3. Seborrheic keratosis: also known as senile warts, age spots, most do not need treatment, if you need to remove, can be eliminated by freezing, laser, electrocautery and other physical methods. The same disease, the degree of illness is different, the individual’s physical condition is different, the treatment method is not the same, should be timely medical treatment, follow the doctor’s prescription treatment. The above medications should be used in accordance with medical advice.