The invention relates to an externally-applied Zhuang 
medicine for treating 
beriberi and 
skin pruritus and a preparation method thereof, which solves the problem of poor 
curative effect of the prior 
medicine. The externally-applied Zhuang 
medicine is prepared from the following raw materials proportioning by weight: 10-20 of common 
lantana, 10-30 of yellow-corktree 
bark, 10-30 of 
Chinese knotweed,10-30 of perfoliate knotweed 
herb, 6-18 of wrinkled gianthyssop, 4-12 of radix sileris and 8-22 of 
artemisia leaf. The medicine can be made into spraying agent, 
liniment, 
lotion, 
film coating agent,
aerosol, ointment or tincture in a known method. The preparation method comprises the following steps: pulverizing the seven 
raw material medicines into coarse 
powder, carrying out thermal refluxing extraction for 2-4 times by 
alcohol to the coarse 
powder to obtain an extracting solution, filtering the extracting solution, merging filtrate, then adding 2-4% of 
menthol and 2-4% of 
camphor, standingafter stirring and dissolving, filtering and filling to obtain the 
liniment. The medicine has the functions of clearing away heat and toxic substances, eliminating dampness and relieving 
itching. Themedicine can be used for not only treating 
skin pruritus, 
beriberi, maculae, 
pimple, blain, 
erosion and soakage caused by moist heat, but also treating persons with the symptoms of superficial 
mycosis infection and 
mosquito bite. The medicine has the advantages of good and quick 
curative effect, no 
side effect and little possibility of relapse.