The invention relates to an external use 
drug or health product, in particular to an external use 
drug capable of improving 
microcirculation, clearing and activating channels and collaterals, promoting 
blood circulation removing stasis and treating 
rheumatism bone diseases and a preparation method of the external use 
drug. The method comprises the steps of taking and 
cutting the four traditional Chinese medicinal materials of saposhnicovia divaricate, radix angelicae pubescentis, 
longspur epimedium and 
caesalpinia sappan into segments with the length 
ranging from 10 mm to 15 mm, mixing 
liquidambar formosana hance, rhizoma atractylodis, 
angelica sinensis, folium artemisiae argyi, suberect 
spatholobus stems, 
polygonum cuspidatum, 
eucommia ulmoides, 
cassia twig and 
flos carthami with the four traditional Chinese medicinal materials, placing the mixture into a heat 
reflux extraction tank, adding water for soaking for 1 h, conducting heating 
reflux extraction for 5 h, concentrating the mixture to until the density ranges from 1.15 to 1.20, conducting 
drying at the temperature of 80 DEG C, smashing the mixture into 
fine powder, placing the 
fine powder into a granulator for 
granulation, 
drying the wet granulates, controlling the temperature to range from 40 DEG C to 50 DEG C for 2 min to 3 min, placing the dried granulates into an oscillating granular to be granulated with a 16-mesh screen cloth, and packaging the granulates to obtain the external use drug. The external use drug has the health care function, improves 
microcirculation, is applicable to people who have 
waist, leg, shoulder and neck joint pains caused by 
rheumatism strains and have 
microcirculation disturbance caused by 
hyperostosis.