The invention discloses a medicament for curing seborrheic dermatitis, which comprises following components, by weight, 30-50 parts of ginger, 100-200 parts of malic acid, 50-70 parts of beer, 20-50 parts of borax, 100-160 parts of balsam pear, 100-200 parts of white gourd, 50-200 parts of trichosanthes fruit, 50-80 parts of Flos Chrysanthemi Indici, 50-120 parts of gentian, 150-200 parts of coix seed, 100-180 parts of fructus tribuli, 50-60 parts of dry catnip, 50-100 parts of phellodendron, 100-200 parts of licorice, 50-120 parts of Sichuan coptis, 20-60 parts of cortex moutan, 50-80 parts of Cinnamomum Cassia Presl, 50-60 parts of clove, 80-120 parts of golden larch bark, 50-100 parts of sophora flavescens, 80-160 parts of silkworm, and 50-100 parts of broom cypress fruit. All above-mentioned medicines combined together can improve and regulate metabolizing and secreting of skin sebaceous glands, promote a virtuous circle for skin, improve the immunity of skin mucous membranes, and restore skin damage. Moreover, the medicament is safe and free of toxic or side effects.