The invention discloses the composition of a
drug for external use for treating common
skin diseases, and a preparation method of the
drug. The
drug is characterized by comprising the following raw materials by weight: 5 to 100 parts of radix sophorae flavescentis, 5 to 95 parts of herba hydrocotylis, 5 to 90 parts of
coptis chinensis, 4 to 85 parts of
bitter gourd, 3 to 80 parts of
corydalis tuber, 2 to 75 parts of chili, 0.1 to 50 parts of
frankincense, 0.1 to 50 parts of
myrrh, and 100 to 5,000 parts of ethyl
alcohol. Medicinal materials including the radix sophorae flavescentis, the
coptis chinensis, the
bitter gourd, the
corydalis tuber and the chili are dried for 12 hours within the temperature range of 60-70 DEG C, smashed, screened through a 14-mesh
sieve and then respectively dissolved in ethyl
alcohol with a concentration of 50-95 percent, extraction is carried out within a temperature range of 50-85 DEG C, and filtering is carried out after sufficient extraction; the
frankincense and the
myrrh are respectively dissolved in ethyl
alcohol with a concentration of 50-95 percent, extraction is carried out at the normal temperature, and filtering is carried out after sufficient extraction; leach liquors of the medicinal materials are mixed evenly according to a prescription ratio, and the volume is fixed at 1,000 milliliters through ethyl alcohol with a concentration of 50-95 percent; the drug can then be used after stewing, filtering and subpackaging. The drug has a simple composition and comprehensive effects in clearing heat, promoting
diuresis, killing
bacteria to diminish
inflammation, promoting
blood circulation to dissolve
blood stasis, and relieving
itching and pains, and is particularly suitable for treating common
skin diseases in the special environment of armies.