The invention discloses a pharmaceutical composition for treating facial paralysis and a preparation method thereof. The pharmaceutical composition comprises folium isatidis, Litsea glutinosa, Radermachera sinica, jasminum giraldii diels, Viola arcuata, Daphne giraldii Nitsche, Angelica citriodora Hance, Membranaceous beautyleaf root, salvia chinensis, Elsholtxin fruticosa Rehd, fructus gardenia, Lonicera japonica, Eragrostis ferruginea, securinega suffruticosa, Lindera fragrans, sawgrass, Adhatoda ventricosa, cassia bud, Smilax ferox Wall.ex Kunth, adder's tongue herb, agrimonia pilosa ledeb, Japanese metaplexis pericarp, Piper boehmeriaefolium, sinapis semina, hyperforin perforatum, Japanese premna root, Stellaria media, Gymnema sylvestre Schult and ligustrum leaf. The pharmaceutical composition has beneficial effects of warming and activating meridians, promoting blood circulation to remove blood stasis and dispelling cold and activating meridians and is quick in action, high in effective rate, definite in curative effect, short in treatment course, free of toxic and side effects, cheap and the like.