The invention discloses a Chinese medicinal preparation for treating various dermatoses, which is prepared from 21 Chinese medicaments such as cortex dictamni, erythrina indica lam and the like capable of promoting blood circulation by removing blood stasis and promoting circulation of qi and to relieve pain. The Chinese medicinal preparation has a unique formulation and precise and appropriate compatibility, has the effects of dispelling wind to nourish blood, removing dampness to relieve itching and cooling blood to remove toxic materials, has no bad adverse effects for clinical application, has a wide treatment range, overcomes the difficulties in grouping treatment of the dermatoses by using Chinese medicines and western medicines, and has significant curative effect of treating various dermatoses such as psoriasis, neurodermatitis, eczema, hives and acne which mainly causes epidermal hyperplasia, skin sichenification, inflammation of cuticula or a derma shallow layer, and vascular reactive and obstructive folliculus pili steatadenitis. After the prescription is taken for 7 days, itching disappears, lesion parts such as papula and maculopapule are gradually fade away, erythemaand wheal disappears, exsudation is reduced, and squamae become thinner or fall off; after 14 to 21 days, the papula and the maculopapule disappears, the squamae are reduced, the sichenification disappears to achieve clinical healing; and after 28 to 35 days, skin lesions return to normal and are difficult to have a relapse.