Increased dandruff of fungal infection can be treated with fungicidal drugs. The seborrheic dermatitis type can be treated with Chinese herbal medicine orally plus external washing, such as dermatitis soup with reduction, orally once in the morning and once in the evening, and washing the hair once a day after decocting the dregs of the third decoction of Chinese medicine. The itching caused by androgenetic alopecia can be applied topically with degreasing tablets, finasteride tablets, and minoxidil tincture. It is necessary to clarify whether it is fungal infection or simple seborrheic dermatitis or androgenetic alopecia, and treat the evidence after clear diagnosis. Dandruff Chinese medicine called white dandruff wind, Western medicine for seborrheic dermatitis. The symptoms are red patches on the scalp face, hair withering, scalp covered with white silver flakes, antifungal drugs can be applied externally with traditional Chinese medicine Shu Skin Anti-Itch Tincture, dandruff caused by seborrheic dermatitis can be used with Chuan Bai Anti-Itch lotion, androgenic alopecia can be applied externally with Minoxidil Tincture.