Medicinal composition for treating herpes zoster and preparation method thereof

The application of the invention discloses a medicinal composition for treating herpes zoster. The medicinal composition is prepared from the following raw materials in parts by weight: 10 to 20 partsof raw radix et rhizomarhei, 8 to 15 parts of cortex phellodendri, 8 to 15 parts of rhizoma coptidis, 20 to 40 parts of mirabilite and 8 to 15 parts of red orpiment. During preparation, the raw radixet rhizomarhei, the cortex phellodendri, the rhizoma coptidis, the mirabilite and the red orpiment are mixed proportionally and smashed into a tincture, paste or a patch. According to the medicinal composition, five kinds of medicinal materials are used in a combination way, so that the treatment effect is brought into full play; a monarch medicament, a ministerial medicament, an adjuvant medicament and a conductant medicament act on the herpes zoster together, so that a pain symptom is relieved remarkably on the day of medication, herpes zoster blisters wilt remarkably, the blisters almost disappear after the medicin