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.