It should be treated early to prevent permanent atrophy. Exposure to sunlight or ultraviolet light must be minimized, and ultraviolet protection should be used when going out.

1. Local drug therapy

① Topical corticosteroids; ② Topical tacrolimus; ③ Liquid nitrogen or dry ice cryotherapy.

2. Oral drug therapy

①anti-malarial drugs such as chloroquine, chloroquine has a light and stabilize the lysosomal membrane, platelet aggregation, and adhesion, the condition improves after the dosage is reduced; ② tretinoin preparations, etc.; ③ oral glucocorticoids.