Leukoplakia occurs on all parts of the body, mainly on the face, neck, back of the hand, trunk, etc. The initial manifestation is the appearance of white spots along the pores, which gradually increase and expand to form white spots of varying sizes, shapes and numbers. The peripheral skin of the white spots is more pigmented, and some patients have white hair at the white spots. After the appearance of white spots, to go to treatment as soon as possible, although there is no a satisfactory treatment, but after a long period of persistent treatment, or can see very good results. The commonly used drugs are photosensitizers and corticosteroids, and the effects of these treatments are good.