Medicinal plants extract using processing of herbal medicine and composition of skin external application comprising the same

A method of preparing a medicinal plant extract using Chinese herbal medicine processing, comprising the steps of:

• (a) processing at least one medicinal plant by, carbonizing, the at least one medicinal plant to obtain a processed material;
• (b) drying the processed plant material before step (c);
• and
• (c) obtaining extracts of the at least one medicinal plant from the processed plant material using ethanol,
• wherein the carbonizing comprises heating the medicinal plant at 230-300° C. until the surface of the medicinal plant is turned black,
• and
• wherein the at least one medicinal plant in the step (a) is at least one selected from the group consisting of Chrysanthemum indicum, Trichosanthes semen, Angelica acutiloba, Rhododendron brachycarpum, Chaenomeles Sinensis fruit, Thujae orientalis semen, borneol, Dioscorea rhizoma, Saururus chinensis, Rhizoma acori graminei, Jasminum floridum root, Polygalae radix, Securinega suffruticosa, Hovenia dulcis bark, Poncirus trifoliate fruit, Gardeniae fructus, Geranium nepalense, Carthamus tinctorius, and Phellodendron amurense bark.